A large number of injuries are caused by hand tools. The main causes of these accidents are the use of unsuitable tools, misuse of tools, poor maintenance and improper storage.
NEVER DO THIS. Use a hammer instead.
NEVER DO THIS. The ladder may slip sideways. Move it to the right place before using it.
Do not play practical jokes or engage horseplay while working.
Use tools correctly.
Check all the tools before using them. If they are defective, do not use them.