hand tool: Media
Images
Mycenaean dagger
Mycenaean dagger, bronze with gold, silver, and niello, 16th century bce....
Hirmer Fotoarchiv, Munich
Screws and screw heads
Screws and screw heads (A) Cap screw, (B) machine screw with oval head,...
Encyclopædia Britannica, Inc.
bubble level
The spirit, or bubble, level, a sealed glass tube containing alcohol and an air bubble,...
© mirkoni/Fotolia
power saw
A worker using a power saw to cut through metal. Many power tools are driven by electricity.
© lawcain/Fotolia
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