What is an advantage of using foam in fire fighting?()
A.
It is effective in controlling fire in flowing oil such as coming from a broken fuel line
B.
It absorbs heat from materials that could cause reignition
C.
Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment
D.
Once the surface is blanketed with foam and the fire is extinguished,no further foam is required