441/470.
21.
To know which placards to use, you need to know:
The hazard classes of the materials.
The types of containers holding the materials.
The destination.
The shipper.
33 44651 CDL 440 A "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests