Used Danobat Danumeric Na - 750 for sale (7,568)

Condition: good (used), For sale, Crodpev T Ttfjfx Aa Neb Edge chamfering machine. - Assfalg ASO 750. - 1.1kw engine. - We will help you organize a profitable shipping company or courier.

Condition: new, neu ca. 14 - 16 Wochen ab Auf Türkei 104600 € 1976.94 € Doppelsäulenführung 10430x54x1,6 mm 20-100 m/min 750 mm 1300x700 mm rechteck 850 x 750 mm rechteck 570 x 750 mm rechteck 850 x 750 mm 930 mm 4 kW 11 kW 0.12 kW 5500 mm 2280 mm 3400 mm 8500 kg Hydraulic vice Digital display for angle indication Hydraulic saw arm clamping Manual saw arm rotation Continuously adjustable saw arm lowering speed Automatic saw frame lifting after cutting Sensitive cutting pressure regulation depending on material properties Hydromechanical blade tension readable via pressure gauge Mobile control panel Heavy-duty, helical-toothed conical gear Driven chip brush Blade guidance via carbide plates and rollers Automatic blade breakage protection Coolant system Hydraulic saw frame lifting Operating instructions in GERMAN or ENGLISH Csdpfeynm Rdex Aa Norb OPTIONS: Roller tables and band saw blades on request

Condition: excellent (used), Year of construction: 2010, Krauss Maffei KM 130-750 CX Year of manufacture: 2010 Injection Unit: Screw diameter: 40 mm Shot weight: 228 g Injection pressure: 2500 bar Dosage volume: 251 cc Clamping Unit: Clamping force: 130 t Tie bar distance: 470x470 mm Platen size: 745x770 mm Ejector: hydraulic Clamping unit: hydraulic Control system: MC5 Additional equipment: Euromap 67 Robot interface Hydraulic core pull x 1 Pneumatic core pull x 6 Control system with 18 hot runner zones Injection unit hardened – bimetal Proportional valve on injection unit – accurate injection Dimensions: Codpfx Asy Dqiksa Nerb Weight: 9000 kg Length/Width/Height: 4.90x1.60x2.10 m All machines offered are started up by our service technicians prior to sale. It is possible to receive a video of the technical tests of the selected machine or to participate in live technical tests at our facility in Łódź. Price: On request

Condition: excellent (used), Year of construction: 2014, Wittmann Battenfeld HM 150/750 Servo Power / Hybrid Machine / Operating hours: approx. 29,000 in automatic mode Year of manufacture: 2014 Injection unit: Screw diameter: 50 mm Injection weight: 402.2 g Injection pressure: 1,714 bar Shot volume: 442 ccm Clamping unit: Clamping force: 150 t Tie bar distance: 520x470 mm Dimensions of platens: 760x755 mm Ejector: hydraulic Clamping unit: hydraulic Control system: UNILOG B6P - touchscreen Additional equipment: Machine in very good technical condition Electric machine: energy-saving and very quiet Operating hours: approx. 29,000 in automatic mode Total operating hours: 36,714 Euromap 67 Robot interface Air valve x 1 Hydraulic core pull x 1 Injection unit is wear-resistant and corrosion-resistant Main drive motor - servo motor driven by inverter - energy saving Crjdpfx Ajy Dqf Ssa Neb Dimensions: Weight: 6,600 kg Length/Width/Height: 4.82x1.42x2.20 m All machines offered are started up by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or to participate in live technical tests at our facility in Łódź. Price: On request

Condition: new, Year of construction: 2025, ML750 Inner chase size 750 X 520 mm Max. die cutting size 750 X 520 mm Working speed 28±2 s/min Max. rule length Cedpfx Aaovv R H Ue Njrb ≤15 m Motor power 2.2 kW Weight 2000 kg Overall machine dimensions 1650 X 1540 X 1650 mm

Condition: good (used), Year of construction: 1998, functionality: fully functional, Glass lifting clamp Glass Thickness 4-16 mm Max Weight Capacity 800 Kg In very good and clean condition Crodpjy Nln Ejfx Aa Nob Available immediately As is

Condition: excellent (used), Year of construction: 2010, Clamping force: 260 t Screw diameter: 50 mm Screw dia 2 : 35mm Type: Horizontal Crsdpfey Eytzsx Aa Nsb Drive: Hydraulic Robot Engel Conveyor cage

Condition: ready for operation (used), Rexroth CML40.1-SP-220-NA-NNNN-NW Indra-Contr. MNR.:1070170260-106, used, minor signs of wear, 100% functional, scope of delivery as per photos Credpoi Ecqaefx Aa Nsb

Condition: new, HEMA RotoClamp RC 180 NA , serial no. according to photo ,unused in original packaging, 100% functional, scope of delivery according to photos Crjdpfxoi Ea Hys Aa Neb

Condition: new, Hema RotoClamp RC220 NA , serial no. according to photo, unused in opened original packaging, 100% functional Credpfx Aei Ea Ipoa Nsb

Condition: ready for operation (used), Year of construction: 1995, Drilling capacity St 60/GG 22: 40/50 mm Thread cutting St 60/GG 22: M 36/M 45 Clamping area of the table: 600 x 1800 mm Height adjustment of the boom: 450 mm Min./max. drilling radius: 305/1305 mm Spindle taper: SK 40 Codpfx Asy I Ua Isa Njrb Quill stroke: 200 mm Infinitely variable spindle speeds: 15 - 2800 rpm Infinitely variable feeds: 5 - 2000 mm/min Spindle drive, frequency controlled: 5.5 kW Electrical connection: 400 V, 14 kVA Weight: 3400 kg Space required: 3800 x 2000 x 2500 mm

Condition: excellent (used), Year of construction: 2014, Oven volume: 2.366 m³ Max. temperature: 750 °C Power rating: 84 kW Weight: 3.7 t Transport and loading can be organized across Europe for an additional charge upon request. Prices are subject to VAT. Credjy H Ihiepfx Aa Njb Inspection possible by prior appointment. Please contact us—our team looks forward to assisting you. Machinery Purchase / Sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES, MACHINE TOOLS, AND MUCH MORE. Are you looking for a high-quality yet affordable machine for your production? Or looking to sell yours? For further information or contact options, please reach us via the contact form.

Condition: used, maximum load weight: 615 kg, overall weight: 750 kg, axle configuration: 1 axle, first registration: 01/2026, loading space length: 2,011 mm, loading space width: 1,100 mm, loading space height: 350 mm, A1 GW2640818, * Unique, torsionally rigid aluminium chassis for safe driving characteristics * 4 recessed, foldable lashing eyes mounted in the side wall for secure load securing * Side walls made of anodised aluminium hollow profiles, rear foldable, with recessed latches Cedpfxoym Ihho Aa Njrb * Folding front wall * Loading height 550 mm Errors and prior sale reserved

Condition: ready for operation (used), Year of construction: 2006, travel distance X-axis: 750 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 400 mm, controller manufacturer: HEIDENHAIN, controller model: iTNC 530, spindle speed (max.): 8,000 rpm, number of axes: 3, This 3-axis WEMAS VZ 750 was manufactured in 2006. It features a HEIDENHAIN control unit with an iTNC 530 style interface, a T-slotted work table equipped with dual manual/hydraulic vises, and a mechanical spindle interface with coolant nozzles. If you are looking to get high-quality vertical machining capabilities, consider the WEMAS VZ 750 vertical machining centre we have for sale. Contact us for further details. • Axis movement: X/Y/Z, vertical orientation • Spindle/tool clamping: Mechanical clamping with coolant nozzles at spindle • Work table: T-slotted table • Electrical cabinet: HEIDENHAIN drive system; Siemens/Phoenix Contact modules; EPCOS filter • Machine features: Full enclosure; integrated work light; air and coolant lines Additional equipment • Workholding: Dual vises (manual/hydraulic) • Tooling: Assorted BT/SK tool holders on external rack • Extraction: External extraction ducting Crsdpfxsy Ncgxs Aa Njb

Condition: used, maximum load weight: 610 kg, overall weight: 750 kg, axle configuration: 1 axle, first registration: 03/2026, loading space length: 2,110 mm, loading space width: 1,260 mm, loading space height: 305 mm, total width: 1,710 mm, total height: 600 mm, A67 GW26400283277, Cjdsyqdqtjpfx Aa Nerb Low-loader by Anssems, model GT 750.211x126 Gross weight: 750 kg, low-loader, unbraked, 100 km/h, and much more. Errors and prior sale excepted.

Condition: used, axle configuration: 1 axle, first registration: 07/2014, loading space length: 4,500 mm, loading space width: 2,100 mm, loading space height: 2,200 mm, total length: 4,750 mm, total width: 2,200 mm, total height: 3,160 mm, suspension: air, tire size: 195/14, wheelbase: 2,060 mm, color: other, Year of construction: 2014, Equipment: tail-lift, = Additional options and accessories = - Tail lift = Remarks = Number of axles: 1, Payload: 1,230 kg, Unladen weight: 1,270 kg, Gross weight: 2,500 kg, Chassis type: Full chassis, Chassis material: Steel, Tail lift, Tail lift type: Rear tailgate, Tail lift capacity: 750 kg, Tail lift manufacturer: Dhollandia dhlm.10, Tail lift material: Steel and aluminium = Further information = General information Cab: Day cab Registration number: ON-30-KB Driveline Codjy Iv Utspfx Aa Nerb Fuel type: Diesel Transmission Gearbox: Manual transmission Axle configuration Tyre size: 195/14 Brakes: Disc brakes Suspension: Air suspension Axle 1: Tyre tread left: 5 mm; Tyre tread right: 5 mm Weights Unladen weight: 1,270 kg Payload: 1,230 kg Gross vehicle weight (GVW): 2,500 kg Functional Tail lift: Dhollandia dhlm.10, rear tailgate, 750 kg Loading height: 92 cm Environment Emission class: Euro 0 Condition General condition: average Technical condition: average Visual condition: average Damages: none

Condition: used, Year of construction: 2019, functionality: fully functional, machine/vehicle number: 919254, input voltage: 230 V, type of input current: AC, pneumatic connection: 6 bar, For sale during the jeans factory liquidation is a GLOBAL US 63900 CH-NA-AUT automatic industrial chainstitch hemming machine, offered as a complete workstation. This modern (2019) unit is specifically designed for high-quality bottom hemming in denim, trousers, and workwear production. Built on the well-known 63900 platform, it delivers the classic chainstitch finish required in professional garment manufacturing. The machine features automatic functions including thread trimming and pneumatic operation, enabling efficient and consistent production with minimal manual intervention. The unit has been used in a professional production environment and was fully operational prior to factory shutdown. The machine has been serviced on 27.02.2026 and video recorded in full operation in April 2026. Key features: • Automatic chainstitch hemming system • High-speed production capability • Classic 63900 chainstitch finish (denim standard) • Automatic thread trimming • Pneumatic presser foot operation • Stable feeding and consistent stitch quality • Modern unit (2019 model) with low mechanical wear Includes: • GLOBAL US 63900 CH-NA-AUT machine head • Industrial sewing table • Motor and control unit • Foot pedal • Thread stand • Integrated hemming and trimming system • Suction system for thread and fabric waste (visible) Technical details: • Manufacturer: Global Selection (Netherlands) • Model: US 63900 CH-NA-AUT • Year: 2019 • Stitch type: Chainstitch • Max speed: approx. 5,000 stitches per minute • Needle system: DVx57 • Power: 220V • Pneumatic system required Condition: • Used, excellent production condition • Fully operational prior to shutdown • Serviced on 27.02.2026 • Typical signs of use • Sold as-is, where-is, without warranty Typical applications: • Denim bottom hemming • Garment finishing • Workwear production • Chainstitch hemming operations Location: Valga, Estonia Removal & transport: Buyer responsible for dismantling and transport Cedpfxey Ipu Ts Aa Nerb

Condition: excellent (used), Year of construction: 2004, operating hours: 98,108 h, clamping force: 1,500 kN, screw diameter: 50 mm, injection weight: 354 g, Engel Victory 750/150 Tech injection molding machine (146) Number: 146 Availability: in stock Year of production: 2004 Producer: Engel Injection molding machine condition: used Screw diameter [mm]: 50 Injection weight [g]: 354 Injection pressure [bar]: 1427, 2500 Closing force [kN]: 1500 Column spacing [mm]: without columns Plate size [mm]: 750 x 850 Control type: CC 200 Tongue: german Installed power [kW]: 61 Working hours [h]: 98108 Weight [kg]: 9500 Csdpoy Ec D Nsfx Aa Njrb Dimensions [mm]: 5700 x 2000 Feed hopper: NO Core string: Yes Robot socket: Yes

Condition: ready for operation (used), Year of construction: 2001, operating hours: 13,677 h, travel distance X-axis: 750 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 500 mm, controller manufacturer: HEIDENHAIN, controller model: TNC 426, spindle speed (max.): 10,000 rpm, number of axes: 3, This 3-axis WEMAS VZ 750 CENTURY was manufactured in 2001. It features an X-axis travel of 750 mm, Y-axis travel of 500 mm, and Z-axis travel of 500 mm. The machine includes a Heidenhain TNC 426 control unit, an electronic handwheel, and a tool changer. If you are looking to get high-quality machining capabilities, consider the WEMAS VZ 750 CENTURY vertical machining centre we have for sale. Contact us for further details. • Machine ON time: 41,712 hours • Measuring system: Linear position measuring system in all three axes • Handwheel: Heidenhain HR 410 electronic handwheel • Tool changer: Included • Machine access: Side doors with windows (left and right) Additional equipment Csdpjy Ifp Hjfx Aa Nsrb • Tool probe: m&h Inprocess 3D tool sensor (Type m&h TS35.10) • Workpiece probe: m&h Infrared workpiece touch probe (Type 25.00 SK40-02) • 4th axis: Walter CDS 22 motorized rotary table/indexing head with original control unit • Rotary table features: 3-jaw chuck, RS232 interface, digital angle input • Additional 4th axis: Walter CDS 22 rotary table/indexing unit Technical Specification Taper Size SK 40

Condition: excellent (used), Catalog number 7289 TECHNICAL DATA - Maximum workpiece width: 230 mm - Maximum workpiece height: 170 mm 6 spindles: 1) Bottom horizontal, 230 mm, 5.5 kW 2) Right vertical, 170 mm 3) Left vertical, 170 mm (spindles 2 and 3), 11 kW 4) Top horizontal, 230 mm, 11 kW 5) Top horizontal, 230 mm, 7.5 kW 6) Bottom horizontal, 230 mm, 11 kW - All spindles adjustable up/down, left/right - Spindles 4 and 5 electrically adjustable up/down - Spindle speed: 8,000 rpm - Spindle diameter: 40 mm - All spindles equipped with electric braking - 6 feed-in, driven, toothed upper rollers, including 1 double - Double exit, driven, rubber-coated upper roller - Double exit, driven, rubber-coated lower roller - Side pressure unit - Feed via Kardana shafts - Pneumatically tensioned rollers - Infinitely variable feed speed: 6–24 m/min - Feed motor: 4 kW - Electric planing thickness adjustment - Body lifting motor: 0.55 kW - Central table lubrication - Extraction nozzle diameter: 6 × 140 mm - Dimensions (L×W×H): 4,900 × 2,400 × 2,000 mm - Weight: approx. 4,000 kg FEATURES – German-made, WEINIG brand – With 6 heads – Not repainted – Used planer, very good condition Original pictures Net price: PLN 142,900 Net price: EUR 34,000 (based on an exchange rate of 4.2 EUR) (Prices may vary with significant exchange rate fluctuations) Cedpfx Aajyyzwqe Nsrb

Condition: excellent (used), Catalogue number: 7715 TECHNICAL SPECIFICATIONS - Maximum workpiece width: 220 mm - Maximum workpiece height: 130 mm - 8 spindles: 1) Bottom horizontal 220 mm 5.5 kW 2) Right vertical 130 mm 7.5 kW 3) Left vertical 130 mm 7.5 kW 4) Right vertical 130 mm 5.5 kW 5) Top horizontal 220 mm 11 kW – 5th spindle electrically adjustable up/down Crodpsyy Iv Tjfx Aa Neb 6) Bottom horizontal 220 mm 5.5 kW 7) Bottom horizontal 220 mm 5.5 kW – 7th spindle with support + Jointer system (cutterhead sharpening) 8) Universal 220 mm, 360° adjustable, 7.5 kW - All spindles adjustable vertically and laterally - Spindle diameter: 40 mm Feed system (top): - 6 double-toothed infeed rollers, driven, + 1 single roller - 3 double smooth rubber outfeed rollers, driven + 3 single rollers - Digital length counter Feed system (bottom): - Swivelling toothed steel infeed roller integrated into lower table - 3 smooth steel feed rollers - Feed drive via Cardan rollers - Pneumatic pressure rollers - Stepless feed speed adjustment + 2-speed gearbox: 10–60 m/min - Feed motor: 10 kW - Electric thickness adjustment - Body lifting motor: 0.75 kW - Centralised table lubrication - Extraction connection diameters: 5x140 mm, 3x120 mm - Machine dimensions (LxWxH): 4680x1780x1850 mm - Control cabinet dimensions (on pallet): 1020x1000x2230 mm - Weight: approx. 5000 kg ADVANTAGES - Equipped with 8 cutterheads - Universal spindle - Ideal for wet and dry timber - Made in Germany, WEINIG brand - Unpainted (original finish) - Very low operating hours - Used thickness planer, like new Net price: 165,900 PLN Net price: 39,500 EUR (based on exchange rate 4.2 EUR) (Prices may change with significant exchange rate fluctuations)

Condition: excellent (used), Catalogue number: 7713 TECHNICAL DATA - Maximum workpiece width: 240 mm - Maximum workpiece height: 130 mm - 6 spindles: 1) Bottom horizontal: 240 mm, 7.5 kW 2) Right vertical: 130 mm, 5.5 kW 3) Left vertical: 130 mm, 5.5 kW 4) Top horizontal: 240 mm, 7.5 kW 5) Top horizontal: 240 mm, 5.5 kW (Spindles 4 and 5 adjustable electrically up/down) 6) Bottom horizontal: 240 mm, 5.5 kW - All spindles adjustable up/down, left/right - Spindle diameter: 40 mm *From above: - 8 infeed metal feed rollers, toothed, including 3 double rollers - 4 outfeed smooth rubber feed rollers, including 2 double rollers *From below: - 3 smooth feed rollers - 3 lateral pressure rollers - Infinitely variable feed speed adjustment via inverter - Pneumatically adjustable pressure rollers - Feed motor: 7.5 kW - Feed via cardan shaft rollers - Electric thickness adjustment - Lifting motor: 0.75 kW - Infeed table length: 2480 mm - Pneumatic cabin opening/closing - Pneumatic table blow-off - Central table lubrication - Extraction port diameters: 3x120 mm, 3x150 mm - Dimensions (L/W/H): 5300x1700x1800 mm - Weight: 5000 kg ADVANTAGES – Italian production – 6-head design – For wet and dry wood – Pneumatic cabin opening – Pneumatic table blow-off – Spindles 4 and 5 electrically adjustable – Used planer, in very good condition Net price: 126,900 PLN Crodsy Aaiwspfx Aa Neb Net price: 30,200 EUR (depending on exchange rate 4.2 EUR) (Prices may vary in case of significant changes in exchange rate)

Condition: excellent (used), Catalogue number 7641 TECHNICAL DATA - Max. planing width: 800 mm - Max. planing height: 200 mm - Upper section: - Pull-in feed roller, toothed - Pawls - Pressure unit - 2 feed rollers, toothed - Pressure unit - Planing shaft 800 mm, 4-knife, 7.5 kW - Pressure units - Profiling shaft 800 mm, 4-knife (fitted with 3 straight knives, 1 profiling knife) - Pressure unit - Outfeed roller, smooth - Lower section: - Guide rail - Infeed table - Feed roller, smooth - Planing shaft 800 mm, 4-knife, 7.5 kW - 2 feed rollers, smooth - Smooth, split running roller - Side pressure at outfeed - Rear section: - 2 side spindles + pressure units: 1) Right vertical 90 mm, 4 kW 2) Left vertical 90 mm, 4 kW - Spindle diameter: 35 mm - Spindles arranged alternately - Spindles adjustable up/down, right/left 3) Additional lower horizontal spindle, 350 mm, adjustable up/down + right/left, 5.5 kW Credjyqt Iujpfx Aa Neb - Spindle diameter: 40 mm - Outfeed: 4 upper metal sliding rollers, 2 lower feed rollers, rubber-coated - Adjustable rollers in the lower table - Electric height adjustment for planing - 6 feed speeds: 7/14/9/18/11.5/23 m/min - Feed motor: 2.2 kW - Extraction outlet diameters: 3×180, 130 mm - Dimensions (L×W×H): 3100×2000×1900 mm - Weight: approx. 3,500 kg ADVANTAGES – The best wide planing machine for wet and dry timber – Ideal for processing beams, flooring, etc. – 3 planing shafts + 3 spindles – Manufactured by the German brand KUPFERMUHLE – Used planer in very good condition Net price: 64,900 PLN Net price: 15,450 EUR (based on an exchange rate of 4.2 EUR) (Prices may change with significant currency fluctuations)

Condition: excellent (used), CATALOG NUMBER 6575 TECHNICAL DATA - Max. workpiece width: 230 mm - Max. workpiece height: 170 mm - 7 spindles: 1) Lower horizontal, 230 mm, 11 kW 2) Right vertical, 170 mm 3) Left vertical (spindle 2 & 3), 170 mm, 11 kW 4) Right horizontal, 170 mm, 5.5 kW 5) Upper horizontal, 230 mm, 11 kW 6) Lower horizontal, 230 mm, 7.5 kW 7) Universal, 230 mm, rotatable 360°, 7.5 kW - All spindles adjustable up/down, left/right - Spindles 3 and 5 electrically adjustable - ATS system - Spindle diameter: 40 mm - Electric brakes Cedpfxsyyzigj Aa Nsrb - From above: 4 driven infeed rollers, toothed, including 1 double roller - From above: 1 double rubber driven infeed roller - From above: 1 double rubber driven outfeed roller - From below: 2 metal driven feed rollers, smooth - From below: 1 double rubber driven feed roller - Feed via Cardan shafts - Pneumatically loaded feed rollers - Infinitely variable feed speed: 6-24 m/min - Feed drive motor: 5.5 kW - Electric thickness adjustment - Body lifting motor: 0.55 kW - Central table lubrication - Extraction port diameter: 7 x 140 mm - Dimensions (L/W/H): 5800 x 2050 x 1850 mm - Weight approx.: 4500 kg FEATURES – German-made, WEINIG brand – 7-head planer – Universal spindle – Equipped with ATS – For wet and dry timber – Used planer, in very good condition Net price: 159,900 PLN Net price: 38,070 EUR Net price calculated at exchange rate of 4.2 PLN/EUR (Price may change in case of significant exchange rate fluctuations)

Condition: excellent (used), CATALOG NUMBER 7909 TECHNICAL DATA - Max. workpiece width: 230 mm - Max. workpiece height: 130 mm - 6 spindles: 1) Bottom horizontal, 230 mm, 4 kW 2) Right vertical, 130 mm 3) Left vertical, 130 mm (spindles 2 & 3), 7.5 kW 4) Top horizontal, 230 mm, pneumatically adjustable front/rear, 5.5 kW, electrically adjustable up/down 5) Bottom horizontal, 230 mm, 4 kW 6) Trimming saw, pneumatically adjustable up/down, right/left, 2.2 kW - Saw blade diameter: 160 x 40 mm - All spindles adjustable up/down, right/left - All spindles equipped with electric brake - Spindle diameter: 40 mm - From above: 4 infeed traction rollers, gear-toothed including 2 double rollers - From above: 3 outfeed traction rollers, rubber, smooth, including 1 double roller - From below: rubber traction roller, double - Feed by Cardan shaft rollers - Rollers pneumatically pressed - Infinitely variable feed speed up to 25 m/min - Feed motor: 2.2 kW - Working pressure: 6-10 bar - Electric thickness adjustment - Central table lubrication Crodpfxjynktcj Aa Neb - Infeed table length: 1980 mm - Extraction port diameter: 5 x 140 mm, 1 x 80 mm - Dimensions (L x W x H): 4000 x 1800 x 1700 mm - Weight approx. 3,500 kg ADVANTAGES – German-made, WEINIG brand – 5-head configuration – Operator’s manual (DTR documentation) – 6th spindle is a pneumatically adjustable trimming saw – Planer in ideal, very good condition Net price: 53,900 PLN Net price: 12,840 EUR Net price calculated at 4.2 PLN/EUR exchange rate (Price may change in case of significant exchange rate fluctuations)