What is the purpose of the NCh2458.Of1999 Brazilian standard?
a) To establish safety requirements for the design, construction, installation, and...
What is the purpose of the NCh2458.Of1999 Brazilian standard?
a) To establish safety requirements for the design, construction, installation, and use of fall protection systems during construction, repair, and demolition of construction works. b) To define the sequence of Brazilian literary works from the colonial period. c) To establish requirements for the safety and use of safety belts for work at heights.
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