Why do firefighters learn the power of using body mass? O Use arms to life the overhead door.
O Arm and leg strength are the most important for pulling and pushing.
O Using body mass gets more of the body into the needed movement or maneuver.
Use legs to run up and down the stairs.

You can clearly see that a firefighter needs to be physically strong, flexible and have muscular endurance to work effectively. Fitness is also important to combat fatigue. In a 15 hour night shift, a firefighter may attend numerous fires through the night, so needs to be able to cope with tiredness on a regular basis.

Explanation:

answer: it could be in all the same frase but if i want to be anyone here in the

same room the sumbiyt

explanation:

i find it more easry on the last too groups of peole and the legem imfortmation that i plot to do so