Since the oven chamber cavity is a good reflector of microwaves, nearly all the energy generated by the oven is available to heat the food and heating speed is thus only dependent on the available power and how much food is being cooked.
(the oven chamber cavity; is; a good reflector of microwaves) (nearly all the energy; generated; by the oven) (nearly all the energy generated by the oven; is is thus only dependent; available) (how much food; is being cooked; )
the oven chamber cavity nearly all the energy nearly all the energy generated by the oven how much food
is generated is is thus only dependent is being cooked
a good reflector of microwaves
by the oven
available