You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?

A
Hose connections to the tank must be made with a minimum of three bolts.
B
There must be water pressure on the firemain.
C
You must shut down if another vessel comes alongside.
D
If transferring at anchor, you must display a red flag by day and a red light at night.
E