Circular saws such as a K12 saw.
Chain saws such as an Echo saw or a Tempest Ventmaster.
Usually, you must be 18 and older to become a firefighter. However, some volunteer departments have a "Cadet" or "Trainee" program, allowing people as young as 16 to apply. Cadets are restricted in what they can do for the department, and usually cannot enter burning buildings, use saws, etc until they turn 18 and pass their Firefighter I course.
"Courageous firefighter" isn't a word.
Saws, chain saws,cutting tools etc.
"Spanner" is sort of a Britishism for "wrench". Plumbers often use wrenches. Saws are for cutting things, such as boards or pipes. Carpenters use wood saws, while plumbers often use pipe saws.
A firefighter extinguishes fire to keep people safe.
foam
saws
a basic firefighter does not use any math but if you are an EO (Engine operator) yes you with use math because you have to do pump operations and hydraulics.
Fire Sciences
a firefighter
No, no hammer action with hole saws.
Power saws, manual saws, sanders, chisels, hammers, levels and many more.