I would say burning and combustion of fuels. hopefully that helps you.
The answer is either he is using his large muscles or his body heats up but I am not sure which one sorry hope I helped a little
Answer:
Optimistic.
Explanation:
People who display an optimistic attitude "see the glass as half full" and reinforce a positive, supportive environment at work.
This ultimately implies that, an optimistic individual or employee is one who is always positive in his or her thinking, emotion and feelings. Therefore, rather than see challenges as an obstacle or a hindrance, they see it as an opportunity to exercise their skills, ability, experience, knowledge and technical know-how.
Hence, rather than see a cup has half-empty it is seen
