青云翻译

Crane maintenance should be leaning against a safe place, cut off the power, hang "Some people work to prohibit the closing" signs. Ground fences, and hanging a "No thoroughfare" sign

When maintenance crane keep in a safe place, cutting off power and hung up "work, non-closed" signs. Ground to set the fence and hung "no access" sign

When overhaul the hoist crane should depend on in the security place, the dump, hangs up “some people to work, the prohibition switches on” the index plate.The ground must suppose the railing, and hangs “forbids to pass through” the symbol

When the crane service should be on the safe location, and turn off the power, work, and hang it on the gate" signs. Ground fence to be set up, and hang the "prohibited" signs

When maintenance crane keep in a safe place, cutting off power and hung up "work, non-closed" signs. Ground to set the fence and hung "no access" sign