1. Whoever engages in operation for more than 2 meters and belong to high homework, homework personnel, to participate in high for a check-up every year.
2. In the steep slope hazards such as edge, must furnish the relief valve or guardrails, otherwise, homework personnel should use your seat belt.
3. In the welding operation or other sources such as sparks, melting area should be used with heat insulation tube seat belt or a safety rope.
4. High homework personnel in the operation process, should check your seat belt is not strong.
