Assessment and approval to the job site must check the case in this area, enclosed space of the operation to identify and assess all potential hazards, clearly taken the appropriate measures.

Staff assessment and approval must be in operation in this region on-site inspection of the operation, the closed space in the identification and assessment of all potential hazards, clear the corresponding measures.

Appraised and examines and approves the personnel to have to arrive the work scene inspection in this region situation, carries on to the work seal space distinguishes and appraised all latent harms, are clear about the corresponding measure which adopts.

Evaluation and approval must be to a job site survey in this area, to identify the job closed space and evaluate all potential harm, clearly taken the appropriate measures.

Evaluation and approval must be to a job site survey in this area, to identify the job closed space and evaluate all potential harm, clearly taken the appropriate measures.