Respuesta :
Answer:
B. Smoke is accumulating on the ceiling, but visibility is good.
Explanation:
The portable fire extinguisher is a cylinder usually installed on the wall of buildings that receive large flow of people.
Compact and lightweight, the portable extinguisher weighs less than 20 kg and can be handled and operated without the need for additional equipment in situations where the environment is heavy with smoke but visibility is not compromised.
The most common portable fire extinguishers on the market are water, suitable for class A fire fighting; foam, suitable for Class A and B; and carbon dioxide, which eliminates class C fires and can be used in class A and B.
There is also indication of portable chemical extinguisher, ABC chemical powder, class K (kitchen fires), FE-36 (for magnetic resonance rooms and servers).