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A heavy duty metal spring.
Test of cement compressive strength according to standards, properties of engineered composite materials and cement strength are tested in the physics laboratory.
Magnetorquer Winding Machine spinning conductive wire to make rod for cubesat satellite, Cape Town, South Africa.
Tensile (tension) test of the polyethylene. The most common type of test used to measure the mechanical properties of a material is the tension test. The test is widely used to provide a basic design.
Microwave internal part broken down, damaged spare part, industrial waste, daily pollution, technology detail
Two workmen using a hydraulic press in workshop.
Inspection equipment in chemical plants
Different sizes of springs on the copper background.
Close up of bass guitar strings. Extreme macro shot of instrument thick, metal strings of bass guitar.
a pile of old, used, colorful coil springs in a wooden box, on display and for sale at a salvage yard, Long Island, New York
As industry Machines are used for decades thei sometimes look rather vintage. If properly maintained and modernized the are usable for a very long time.
A conceptual electric car motor on dark gradient background, created in 3D. Close up of copper and steel parts inside the electric engine.
Magnetic system of non-destructive quality control. Checking the steel spring for defects.
Fasteners and mechanical parts
February 10,2017, Menden: Close-up of a hole punch for unhooking aluminium profiles
Modern textile factory, chemical and polyester yarn manufacturing,
elongation test making lab.. elongation at break
Crankshaft
Radial airplane engine piston close-up
Abstract steel background with neon light
Close up  the coil spring parts in light blue scene. The hi-technology manufacturing concept.
A brass  band spring from a 150 year old clock. On a black background with some copy space. Selective focus on the center of the spring.
Different sizes of springs. Copper background.
Close-up of assembly machine at a solar panel factory
Metal spring or coil on concrete with slight rust
Industrial metal parts, Fasteners, bolts, nuts, washers, screws, screws
View of the mechanical tensile strength test of the steel pipe for qualification and mechanic testing laboratory.
Mechanical parts
Rusty spring made of thick steel wire. Selective focus with shallow depth of field.
Mechanical equipment on the roof of commercial buildings
Free Images: "bestof:MetalFatigue 005.jpg Fatigue studies of short compression springs were made on a machine also developed at NBS In this device the motor and adjustable eccentric"
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