|
Cleaned with acid.
|
|
|
Cleaned with water.
|
|
|
Left to air-dry without washing.
|
|
|
Cleaned with bleach.
|
13/40.
13.
If corrosive materials leak in the trailer, the trailer should be:
Answer correctly : 0 | Wrong : 0
Answer Sheet :
Refresh
Refresh this page and redo the question
Restart
Restart this set of tests