A warm or hot object gives off infrared electromagnetic radiation, which can be absorbed in another object at some separation, heating it up.
(A warm or hot object; gives off; infrared electromagnetic radiation, which can be absorbed in another object at some separation,) (infrared electromagnetic radiation; can be absorbed; L:in another object; T:at some separation; heating it up)
A warm or hot object infrared electromagnetic radiation
gives off can be absorbed
infrared electromagnetic radiation, which can be absorbed in another object at some separation,
L:in another object T:at some separation heating it up