a piece of the equipment that is a sealed unit, and that can be taken out and replaced

in a way that takes effort and action

an area where goods for sale are set out so people can look at them

hot and humid like the climate near the equator

restore to a previous or better condition

the charge for mailing something

the ability to adapt or change easily

many times

outside in the open air

a building or room where things are made or repaired