the gear stick in a vehicle

Train Machinery

Part of machinery with red levers; Cumbria, England

Extreme close up of water droplets on a pink flower petal; South Shields, Tyne and Wear, England

Pumpjack at work on oilfield lease in a canola field in rural Alberta; St. Albert, Alberta, Canada

Pumpjack at work on oilfield lease in a canola field in rural Alberta; St. Albert, Alberta, Canada

Agriculture - A farmers hand operates levers on the harvester during potato harvesting at a local family produce farm / Little Compton, Rhode Island, USA.

Surgical scissors cutting thread around a human stomach

Illustration of a leatherman

An illustration of various business operations

An illustration of various business operations

Image of switch key

An illustration of laborers at work

An illustration of laborers at work

Science & Medicine - line art (Scientific) Physics Mechanical Power Archimedes (287-212 BC) who worked out the principle of the lever and other simple machines demonstrated them by pulling a ship onto land by himself. He said of the principle of leverag

Science & Medicine - line art (Scientific) Physics Mechanical Power Archimedes (287-212 BC) who worked out the principle of the lever and other simple machines demonstrated them by pulling a ship onto land by himself. He said of the principle of leverag

Front view of human torso showing liver

Science & Medicine - line art (aa4) (Scientific) Physics Mechanical Power Archimedes (287-212 BC) who worked out the principle of the lever and other simple machines demonstrated them by pulling a ship onto land by himself. He said of the principle of l

Science & Medicine - line art (aa4) (Scientific) Physics Mechanical power Pulley Archimedes (287-212 BC) who worked out the principle of the lever and other simple machines demonstrated them by pulling a ship onto land by himself. He said of the princip

Joy Stick

Lever