Deck : Deck General - 1779/5076
|
|---|
| « Previous Question |
| The premixed foam agent in fixed and semiportable fire extinguishing systems should be replaced __________. (small passenger vessel regulations) |
| A) every 18 months |
| B) every 12 months |
| C) every 36 months |
| D) only when used |
loading answer...
| Comments |
|---|
| There are no comments for this question. |