Engine : Engineering Safety - 263/968
|
|---|
| « Previous Question |
| When using portable tank cleaning machines, the hoses may be disconnected when __________. |
| A) the hose has been partially drained |
| B) a sailor is standing by the machine |
| C) the machine is not inside the tank |
| D) the machine is inside the tank |
loading answer...
| Comments |
|---|
| There are no comments for this question. |