There are multiple pillars that weigh more than 16 tons of supervisor should advise an employee for nganphlik or move 2 should be used for crane and safety.
Many of the pillars of the weight of over 16 tons supervisors should help employees. For flipping Or lift, move and should be used to secure the crane 2.
There are many poles that too much weight 16 tons. Supervisors should help employees work for flip or lifting wrinkle and should be used 2 crane to safety.