1, obey the command of the command hatch.

2, one person operation, one person monitoring.

3, no two machines with the cabin operation.

4, hopper or chute once blocked, to immediately stop, with the chute or manual removal of the elevator, is prohibited with the lifting of the lifting arm.

5, when the first shift to the police and should pay attention to the track and the air there is no obstacle, not allowed to walk from the edge of the big arm. Big arms must be raised, and then walk away from the 2m of the ship. Keep the safe distance of 1m ship and ship loading work fashion on facilities, we can work.

6, close to the front and rear stop 30m, to low speed. Pay attention to monitoring the cable reeling, towing walking is prohibited.

7, found abnormal situation immediately shut down, and report the value of the monitor and the central control room attendant.