They wrapped one end of a rope around the block and pulled.
他们用绳子的一端缠住木块，然后用力拉。
2
Test the condition of all the welding parts especially rope-break safety instrument and welding seam of suspension coop safety inserting block.
检查各焊接部位的情况特别是断绳安全装置和吊笼安全插块部位的焊缝情况。
3
After wire rope being pulled tightly, the safety brake loosen, operate safety inserting block's handle, withdraw the safety inserting block from guiding track framework.