Direct factors of injury caused by hand tools:
① Shock or impact: The tools used fly out of control or the body is out of balance.
② Cut: Cut by the cutting edge, burr or sharp corner of the tool.
③Spatter: substances generated during work, such as cuttings, chemical solvents, etc., splash out and hurt the body, eyes, or skin of workers or others.
④ Electric shock: electric shock accidents caused by electric tools.