青云翻译

Work-related personnel are trained prior to operation, and learn the relevant the msds knowledge of.

Persons associated with work before an operation are trained and understand the relevant knowledge of MSDS.

With work concerned personnel before operation all is process training, and understands the related MSDS knowledge.

Working with the staff before the operation is a trained and understanding of the relevant MSDS knowledge.

Persons associated with work before an operation are trained and understand the relevant knowledge of MSDS.