Used Vibrating Screen, Vibra Shaker Screen, Screening Machine for sale (66,553)

Condition: like new (used), Manufacturer: Parker Type: T / D RAPID 1,5 x 4 Redog Snulspfx Afhecd Size: 1.500 x 4.000mm Decks: 3

Condition: used, LDS V790-335T Vibration Test System with HPA-K CE Amplifier Manufacturer: Ling Dynamic Systems Ltd. (LDS) Type: V790-335T with HPA-K CE Amplifier Machine Type: Electro-dynamic Vibration Test System / Shaker System Cooling: Air-cooled Vibrator For sale is an industrial vibration test system from the manufacturer LDS (Ling Dynamic Systems). The system was designed for professional vibration and shock testing and is suitable for research and development, quality assurance, environmental simulation, electronics testing, as well as industrial stress and endurance tests. Technical Data Shaker Manufacturer: Ling Dynamic Systems Ltd. (LDS) Product: Air-Cooled Vibrator Model: V790-335T Armature diameter: 335 mm Frequency range: DC to 3,000 Hz Resonant frequency: approx. 2,250 Hz Max. continuous displacement: 50.8 mm pk-pk Max. velocity: 1.5 m/s Sine force peak: approx. 6.67 kN / 1,500 lbf Random force RMS: approx. 6.67 kN / 1,500 lbf Half-sine shock force peak: approx. 26.69 kN / 6,000 lbf Effective moving mass: approx. 13.08 kg Internal load capacity: approx. 160 kg Compressed air supply required: Load support: approx. 5.52 bar / 80 psi Optional air isolation: approx. 5.52 bar / 80 psi Power Amplifier Manufacturer: Ling Dynamic Systems Ltd. (LDS) Product: HPA-K Amplifier Model: HPA-K CE Supply voltage: 50 Hz: 380 / 400 / 415 / 440 V 60 Hz: 380 / 400 / 415 / 440 / 460 / 480 / 500 V Rcedsy Uigcopfx Afhjd Current setting according to nameplate: 400 V Maximum connection power: 9.3 kVA Weight of amplifier: approx. 750 kg Equipment LDS V790-335T Air-Cooled Vibrator LDS HPA-K CE Power Amplifier Control and rack units PC workstation with monitor, keyboard, and mouse Cables and connection accessories as shown in the pictures Emergency stop units and safety accessories Existing documents and documentation Areas of Application Vibration testing Shock testing Environmental simulation Electronics testing Automotive industry Aerospace Research and development Quality assurance Industrial stress tests Scope of Delivery LDS V790-335T Air-Cooled Vibrator LDS HPA-K CE Power Amplifier Control and rack units as shown in the pictures PC workstation as shown in the pictures Cables and accessories as shown in the pictures Existing documents / manual Condition Used System from industrial use Optical condition as shown in the pictures Normal signs of wear and tear and storage Inspection and testing on site are possible and expressly desired after prior arrangement. Due to the size and weight, professional dismantling, loading, and transport organization are recommended. Availability: by arrangement. Scope of delivery as shown in the pictures. Changes and errors in the technical data as well as prior sale are reserved.

Condition: new, functionality: fully functional, This concerns an older model in new condition (never used). The vibrating plate is equipped with 2 wedge wire screens, which can be easily removed using quick-release clamps. The vibrating plate is made of rigidized 6WL sheet metal. A water collection funnel is located under the screens. Type of vibrator: indirectly driven (consumes less energy than directly driven) Drive: 2x unbalanced motor 400V-50Hz Dimensions: Vibrating plate (internal): 610mm Vibrating plate length approx. 1,800mm Rodpfx Afozncm Tohjcd Height approx. 1,200mm Material: Stainless steel 304

Year of construction: 1991, condition: used, machine/vehicle number: 8984, Directly driven vibrating screen, equipped with 3 levels: - Upper level: 5 removable perforated sorting screens with a discharge chute for the oversize fraction on the right side. Rcodpfx Afozmf Tashod - Middle level: 5 removable perforated sorting screens with a discharge chute for the oversize fraction on the left side. - Lower level: a closed collection screen for the fine fraction that passes through all sorting stages, with discharge via an outlet at the bottom. Includes 20 extra screens (a total of 30 screens with different perforations). Drive: 2 x unbalanced drive, 220 / 380 V, 50 Hz Width (pan internal): 1,000 mm Length (pan internal functional): 3,500 mm Material: Stainless steel

Condition: excellent (used), RMS Vibrations Vibration Testing System Here we offer you an RMS electrodynamic vibration testing system. RMS Vibrations Vibration Testing System Test Manager SWR 900 Vibration exciter SW 3006 30V-50A-3434 N Power amplifier TGA 3000-000.00 Condition: used Untested! Tests were not possible. Scope of delivery: (See image) (Changes and errors in the technical data are subject to change!) We will gladly answer any further questions you may have by phone. Written orders can be placed by email or fax. Rcjdpfx Afjzdtc Dohjd

Condition: good (used), Here, we offer you a vibration testing system. Test Manager SWR 900 Control cabinet SWS 200-10 Rcjdpfxszdta Ns Afhod Vibration exciter SW 1508/1 Hydraulic power supply SWT 1110/11 Power amplifier TGA Soundproof enclosure SWG 211/1 Blower SWG 103 Operating hours: approx. 1,300 hours Condition: used Scope of delivery: Vibration testing system as shown in the picture (Changes and errors in the technical data are subject to change!) We will be happy to answer any further questions you may have by phone.

Condition: excellent (used), Here, we offer you an RMS vibration exciter. RMS vibration exciter SW 3009 with side-channel blower SKP49033-01/06 Type: SW 3009 Condition: used Scope of delivery: (See image) Rsdpezdta Aofx Afhocd (Changes and errors in the technical data are subject to change!) We will be happy to answer any further questions you may have over the phone.

Year of construction: 2024, operating hours: 97 h, condition: as good as new (ex-display), functionality: fully functional, power: 0.75 kW (1.02 HP), overall weight: 1,240 kg, total length: 1,560 mm, total width: 2,540 mm, total height: 2,490 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: Rcsdpfx Aow Ryvlofhod The ASCO VS Medi vibration screen delivers high-performance material screening for recycling, construction, agriculture, and soil preparation. Designed for fast, precise separation, it boosts productivity, reduces wear, and ensures consistent results across coarse and fine materials. Its versatile design adapts to different surfaces and material types, making it ideal for industrial and civil engineering applications. Key Features: • Three-fraction screening for accurate separation in a single pass • Optional bar sizers for efficient coarse material pre-separation • Adjustable screen inclination and height for optimal performance • Robust, low-maintenance construction for long service life • Stable operation on uneven surfaces Tech Highlights: W 2.54 m · L 1.56 m · H 2.49 m · Loading height 2.13 m · Qmax 60 t/h · Power 2×0.75 kW · Screen area 5.4 m² · Weight 1240 kg

Year of construction: 2024, operating hours: 4 h, condition: as good as new (ex-display), functionality: fully functional, power: 0.55 kW (0.75 HP), overall weight: 990 kg, total length: 1,560 mm, total width: 2,540 mm, total height: 2,380 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: The ASCO VS MEDI ONE DECK is a high-performance vibration screen ideal for recycling, construction, agriculture, and landscaping. Designed for heavy and coarse materials like soil, gravel, wood chips, and construction waste, it delivers efficient pre-separation, precise screening, and reliable operation across diverse worksites. Key Features: • Two powerful vibration motors for high-efficiency material separation • Optional bar sizers for effective pre-screening and reduced wear Rcodpfxow Ry D As Afhed • Adjustable screen inclination for material-specific optimization • Height-adjustable feet for stable operation on uneven surfaces • Durable design for long-lasting, continuous use Tech Highlights: L 1.56 m · H 2.38 m · W 2.54 m · System performance 15–50 t/h · Maximum bucket width 2.3 m · Screen area 2.7 m² · Drive power 400 V / 2 × 0.55 kW · Weight 990 kg · Loading height 1.96 m

Year of construction: 2023, operating hours: 15 h, condition: as good as new (ex-display), functionality: fully functional, power: 0.35 kW (0.48 HP), overall weight: 621 kg, total length: 1,306 mm, total width: 1,876 mm, total height: 2,112 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: The ASCO VS Compact Two Deck Vibration Screen delivers efficient material separation for recycling, construction, agriculture, and landscaping. Ideal for screening soil, gravel, wood chips, and waste, it offers high throughput, flexibility, and compact mobility—perfect for professionals needing reliable, space-saving performance on any job site. Key Features: • Dual-deck screening: up to three material fractions Rcsdpjw Ryzuefx Afhod • Compact, foldable design for easy transport and setup • Modular add-ons: conveyors, funnel plate, and more • Adjustable screen angle for optimal separation • Quick-change screen system for perforated sheets, grids, or bar sizers Tech Highlights: W 1.88 m · L 1.31 m · H 2.11 m · Loading height 1.76 m · Screen area 3 m² · Qmax 30 t/h · Power 2 × 0.35 kW (400 V) · Max bucket width 1.65 m · Weight 621 kg

Condition: new, functionality: fully functional, power: 3 kW (4.08 HP), overall weight: 2,457 kg, total length: 2,415 mm, total width: 3,623 mm, total height: 2,853 mm, Year of construction: 2026, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: The ASCO VS BIG vibrating screen is the ideal solution for construction, recycling, agriculture, gardening, and landscaping companies that need efficient, high-volume material screening. It delivers reliable separation of soil, compost, rubble, and sand-helping businesses save time, cut costs, and boost productivity. Key Features: • High throughput: up to 150 t/h for maximum efficiency • Large screening area (12.8 m²) for precise material separation • Robust steel frame for durability and long service life Rcjdpfx Afswyt U Iohsd • Easy feeding with 3 m bucket width (wheel loaders & excavators) • User-friendly design with low maintenance requirements Tech Highlights: W 3.62 m · L 2.41 m · H 2.85 m · Loading height 2.46 m · Screen area 12.8 m² · Q max 150 t/h · Power 2 × 1.5 kW (400 V) · Max bucket width 3 m · Weight 2,457 kg

Year of construction: 2026, condition: new, functionality: fully functional, power: 1.8 kW (2.45 HP), overall weight: 2,160 kg, total length: 2,413 mm, total width: 3,623 mm, total height: 2,853 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: Rcodpfswyt Tkjx Afhsd The ASCO VS BIG vibrating screen machine is ideal for high-volume material processing in construction, recycling, agriculture, and landscaping. It efficiently separates soil, sand, compost, and rubble, increasing on-site productivity and ensuring reliable, precise screening for demanding projects. Key Features: • Large 6.4 m² screening area for maximum throughput • Dual high-performance vibration motors for accurate separation • Max bucket width 3 m for direct loader and excavator feeding • Rugged steel frame for long-lasting durability • User-friendly operation for versatile industrial applications Tech Highlights: W 3.62 m · L 2.41 m · H 2.85 m · Loading height 2.32 m · Screen area 6.4 m² · Qmax 90 t/h · Power 2 × 0.9 kW (400 V) · Max bucket width 3 m · Weight 2,160 kg

Year of construction: 2025, condition: new, functionality: fully functional, power: 0.35 kW (0.48 HP), overall weight: 557 kg, total length: 1,306 mm, total width: 1,876 mm, total height: 1,993 mm, input voltage: 230 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: The ASCO VS COMPACT ONE DECK is a semi-mobile vibration screen ideal for recycling, construction, agriculture, landscaping, and biomass processing. Compact yet powerful, it provides efficient material separation for soil, gravel, wood chips, and waste. Its foldable, modular design ensures easy transport, quick setup, and reliable operation - perfect for dynamic on-site screening tasks. Key Features: • Two powerful vibration motors for efficient, precise screening • Quick-change screen decks for various mesh and perforated sheets • Adjustable screen angle for different materials and applications Rsdpfx Afew R N Uwohjcd • Compact, foldable design for easy transport and setup • 230V connection for simple plug-and-play operation Tech Highlights: L 1.31 m · W 1.88 m · H 2.0 m · Qmax 23 t/h · P 2 × 0.35 kW · Screen area 1.5 m² · Max bucket width 1.6 m · Weight 557 kg · Loading height 1.63 m

Year of construction: 2024, operating hours: 1 h, condition: as good as new (ex-display), functionality: fully functional, power: 0.75 kW (1.02 HP), overall weight: 1,240 kg, total length: 1,560 mm, total width: 2,540 mm, total height: 2,490 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: The ASCO VS MEDI Vibration Screen is ideal for recycling, construction, agriculture, and gardening, offering powerful and precise material screening for fast and efficient processing. This demo machine in blue ensures cost-effective operation while delivering reliable, high-performance separation of coarse materials into three clean fractions - perfect for soil, gravel, and recycling applications. Key Features: • Three-fraction system for precise material separation • Integrated bar sizers for effective coarse pre-screening Rsdpfx Asw Ry Hdjfhscd • Separator plate for clean material flow and high purity • Adjustable screen inclination and height-adjustable feet for stability • Robust, low-maintenance design built for demanding operations Tech Highlights: L 1.56 m · W 2.54 m · H 2.49 m · Qmax 60 t/h · Power 2 × 0.75 kW · Screen area 5.4 m² · Max bucket width 2.3 m · Weight 1,240 kg · Loading height 2.13 m

Condition: new, Year of construction: 2026, functionality: fully functional, Technical Details of the VS BIG (Two-Deck): Rcedpeyirx Njfx Afhsd • Top deck: 130 x 130 mm screen mesh • Bottom deck: 90 x 90 mm screen mesh • Fixed metal brake (instead of rubber brake) • 400V power connection Conveyor Belt CB 3000: • Without standard frame with wheels • Fixed frame at the bottom This setup allows for efficient and precise screening directly on-site!

Condition: like new (used), Year of construction: 2023, functionality: fully functional, machine/vehicle number: 21137, tank capacity: 50 l, usable tank capacity: 36 l, input voltage: 230 V, inner dimension width: 280 mm, inner dimension length: 600 mm, COMPLETE ORIGINAL DESCRIPTION IN THE IMAGE GALLERY Mobile Vibratory Finishing Machine EUROTEC TV25-M – Vibratory Deburring System with Noise Protection For sale is a mobile vibratory finishing machine, EUROTEC TV25-M, in a compact design. This machine is ideal for deburring, rounding edges, smoothing, cleaning, and polishing various workpieces. Rjdpfozktcqox Afhocd Technical data: Manufacturer: EUROTEC Innovation Model: TV25-M (TV25 compact) Mobile vibratory finishing machine with complete noise protection enclosure Gross volume: approx. 50 liters Net volume: approx. 36 liters Connected power: 0.5 kW Operation via 230 V (Plug & Play) Working container: approx. 600 × 280 mm Electronic control with timer Frequency converter integrated Integrated process water treatment Process water feed pump 3-stage process water cascade (70 liters) Automatic shutdown after processing time expires Highly wear-resistant polyurethane lining Integrated scraping edge Very quiet operation due to complete noise protection enclosure Equipment: - Automatic compound dosing unit (TV25-M ACD5) - Partition module for dividing the working container (TV25 TW-G) for simultaneous processing of multiple batches - 3 stainless steel sieve boxes (TV25-M Skxx) - Various grinding media (ceramic and plastic): more detailed description see images Advantages: - Complete system on a chassis – ready for immediate use - Compact design - Easy operation - Ideal for small and medium-sized series - Uniform and reproducible processing results - Robust industrial quality The machine is in excellent condition and has been used only a few times. It has been used exclusively in a professional setting. New price as of 15.03.2023: €19,885.53 net

Condition: new, functionality: fully functional, power: 30 kW (40.79 HP), overall weight: 11,000 kg, Year of construction: 2026, operating hours: 10 h, 6203 20X6 3 Deck Horizontal Screen triple shaft oval stroke vibrator made in Swiss Rosta suspension Listing Type New Weight 10 tons Rcedpjyhyvdefx Afhod Operating speed range 675-875 rpm New 30 kW electric drive package with v-belt drive HUCK Bolt and Timken bearing following model also available 5163 6203 8204 10 feet width 12 feet width 16 feet width

Condition: used, Weger filling machine, weighing machine, vibrating chute Entirely made of stainless steel Includes a small weighing scale up to 6 kg Can optionally be expanded to handle weights up to +/- 50 kg (operation of load cells unknown) Complete with weighing control system See our other listings. Rcedpfszh Nn Rox Afhod

Year of construction: 2019, condition: excellent (used), functionality: fully functional, TOMRA SORTING | Vibrating channel feeder Manufacturer: Tomra Sorting s.r.o. Model / Type: Vibrating channel Serial number: 1144-041091 Year of manufacture: 2019 Rodpfx Afozczugehjcd Power: 2 kW Drive system: Power Grid s.r.o. Type: PG Shaker Drive Drive serial number: PG 1818-0683 Tested: 02/05/2018 Working channel dimensions: 2900 x 1950 mm Dimensions: 3000 x 2050 x 1750 mm Professional, large-scale vibrating channel feeder (commonly known as a vibratory channel) from the renowned, global leader in sorting systems and process automation – TOMRA Sorting. The device is designed for demanding tasks such as close-range transport, linear dosing, preliminary separation, and uniform distribution and feeding of a wide stream of raw material to subsequent process sections (such as optical laser sorters, X-RAY inspection systems, slicers, or IQF freezing tunnels). The machine's construction is based on a massive stainless steel / acid-resistant channel with an impressive working width of 1950 mm and a length of 2900 mm. The feeder's operation is based on inertial vibration technology, generated by a specialized, energy-efficient Power Grid Shaker Drive system with a power of 2 kW. The vibratory motion ensures that the raw material moves smoothly and inertially across the channel surface.

Year of construction: 2022, operating hours: 52 h, condition: as good as new (ex-display), functionality: fully functional, power: 0.75 kW (1.02 HP), overall weight: 1,240 kg, total length: 1,560 mm, total width: 2,540 mm, total height: 2,490 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: The ASCO VS Medi vibration screen delivers high-performance material screening for recycling, construction, agriculture, and soil preparation. Designed for fast, precise separation, it boosts productivity, reduces wear, and ensures consistent results across coarse and fine materials. Its versatile design adapts to different surfaces and material types, making it ideal for industrial and civil engineering applications. Key Features: • Three-fraction screening for accurate separation in a single pass • Optional bar sizers for efficient coarse material pre-separation • Adjustable screen inclination and height for optimal performance • Robust, low-maintenance construction for long service life Rodpfow Rznisx Afhecd • Stable operation on uneven surfaces Tech Highlights: W 2.54 m · L 1.56 m · H 2.49 m · Loading height 2.13 m · Qmax 60 t/h · Power 2×0.75 kW · Screen area 5.4 m² · Weight 1240 kg

Year of construction: 2026, condition: new, functionality: fully functional, power: 0.7 kW (0.95 HP), overall weight: 621 kg, total length: 1,306 mm, total width: 1,876 mm, total height: 2,112 mm, input voltage: 400 V, Equipment: documentation/manual, emergency stop, type plate available, Applications & Customer Benefits: Rsdpfx Aewyl Ugefhjcd The ASCO VS COMPACT vibration screen delivers efficient material separation for recycling, construction, landscaping, agriculture, and biomass processing. Customers benefit from high throughput, flexible setup, and compact mobility, making it ideal for soil screening, gravel screening, wood chips, compost, waste materials, and recycling applications. Key Features: - Compact, foldable semi-mobile design for space-saving transport and setup - Two powerful vibration motors for reliable high-performance screening - Adjustable screen angle and quick-change screens (perforated, grid, bar) - Modular expansion with conveyor belts and funnel plate for up to 3 fractions - User-friendly operation with 400V connection compatibility Tech Highlights: W 1.88 m · L 1.31 m · H 2.11 m · Loading height 1.76 m · Screen area 3 m² · Qmax 30 t/h · Power 2 × 0.35 kW (400 V) · Max bucket width 1.65 m · Weight 621 kg

Condition: refurbished (used), Year of construction: 2021, operating hours: 850 h, functionality: fully functional, RCC4 Product Range R 220 euro Rsdswfdbcjpfx Afhecd R 220 EC R 420 EC R 620 R 360 So DL R185 EC-KF RSKI 1000 RSKI700-3d-atex RT 250 euro AM: C1 M1 M1 Basic S1 S2 In addition to the machines mentioned and shown, we have many other machines and accessories (blasting systems, conveyor belts, and small machines) available from stock. The machines can be purchased or rented. Contact us for (free) advice on lapping, drum blasting, and blasting technology.

Year of construction: 2023, operating hours: 6,000 h, condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 2206006-01, VIBRATING FLIP-FLOP SCREEN MODEL “ZXX 2400/7200” TECHNICAL DATA Procuct charateristics:  Production: PURPLE  Gran size: 0 - 80 mm  Density: 0.4 – 0.5Tn/m3  Temperature: Ambient  Humidity: 55% Production characteristics:  Capacity: 50 Tn/h  Screening size: 10 – 15 mm  Machine production: Continuous  Material behavior: Known  Machine Characteristics Working length: 7200 mm Working width: 2400 mm o Working surface: 17.30 m² Frame: Carbon steel Execution: Supported o Slope: 20º Number of decks: 1 o Screen surface: Elastic polyurethane panels o Screening opening: 1-15 mm o Maths side closure: Polyiurethane wedges o Cover: Included, rubber o Vibrating weight: 7.500 kg  Vibrator characteristics: o Typeofvibrator: 2 Mechanical Vibrators o Centrifugal force: 42.500 kg o Frecuency: 860 r.p.m. Engine: Supply: Triphase 400 V, 50 Hz Power 24 Kw Speed: 860 r.p.m.  Vibration characteristics: o Stroke 8 mm o Frecuency: 950 r.p.m. o Aceleration: 4.6 G o Stroke subresonant frame: 8 mm + 8 mm = 16 mm Suspension system: o Tipodeantivibrantes: 8AMCsuspensions model AB-HD-50-2 o Isolation: 90% o Dynamic load: 4200 daN o Frecuency: 20 Hz  Paint finishing: o Cleaning and degreasing of surfaces. o Primary coat: glycerophtalic, 70 µ. o Finishing coat: glycerophtalic, 40 µ. o Color RAL to be defined Rcsdpfx Afev Hlnhehed

Condition: new, Year of construction: 2026, functionality: fully functional, usable tank capacity: 120 l, inner dimension width: 400 mm, inner dimension length: 930 mm, Müller Mechanik – Vibratory Finishing Technology – MADE IN GERMANY – Our trough vibrators replace manual deburring and grinding processes. Rcedpfx Afjfid Tcshed In the future, avoid time-consuming and costly manual work! With the trough vibrators from Müller Mechanik, you will achieve reproducible processing results of high quality. MMTV-9341 – Technical Data: - Usable volume: 120 dm3 - Trough internal dimensions: 930 x 410 x 510 mm - Wear-resistant coating: Polyurethane, 18 – 20 mm - Maximum payload: 400 kg - Empty weight: approx. 490 kg - Operating voltage: 3N ~ 50 Hz 400 / 230 V - Connected power: 1.5 kW - Motor rated speed: 1,500 min-1 - Speed control stepless via frequency inverter

Condition: new, Year of construction: 2026, functionality: fully functional, usable tank capacity: 20 l, inner dimension width: 200 mm, inner dimension length: 520 mm, Müller Mechanik – Vibratory Finishing Technology – MADE IN GERMANY Rcsdpfofid Sqox Afhsd Our trough vibrators replace manual deburring and grinding processes. Avoid time-consuming and costly manual operations in the future! With the trough vibrators from Müller Mechanik, you will achieve reproducible processing results of high quality. MMTV-5321 – Technical Data: - Useful volume: 20 dm³ - Max. payload: 80 kg - Motor speed: 1500 rpm - Polyurethane wear coating, seamlessly cast, wall thickness 10-12 mm - Operating voltage: 3N ~ 50 Hz 400/230 V, connection power 0.25 kW - Empty weight: approx. 68 kg - Process control, switching range: 1 min - 99h 59 min - Dosing pump control, switching output: 230 V ~ 50 Hz max. 2 A