1. ชิ้นงานตัวใหญ และมีความยาวมาก กา

First. Part of the parent. And is very long. Turning dangerous. Be careful and use a crane or two to turn the beam to use. For more secure
2.To lift the workpiece. Notify supervisor. In order to check. And colleagues report in the vicinity prior to lifting or flipping protection
.

1. a work piece and no electricity and a very long, very dangerous to flip, cautious and should use example 2 crane or a flip b SIM to safer
2. A big piece of work. To provide the supervisor to help review and advise colleagues in nearby to know before lifting or flip to prevent dangerous
.

1. The large pieces and a very long, very carefully and very dangerous to turn crane 2 should be used, or the beam turn it upside down and use it for more secure
2.Large pieces when you want to give to inform supervisor to help verify and inform their colleagues in the vicinity to know before you lift or turn it upside down to prevent harmful