Explain the meaning of the following words:carpenter,waiter,chemist,typist,sales,assistant

Carpenter - a person who makes and repairs wooden objects and structures.

Waiter - a man whose job is to serve customers at their tables in a restaurant.

Chemist - a person engaged in chemical research or experiments.

Typist - a person who is skilled in typing, especially one who is employed for this purpose.

Sales assistant - a person who serves customers in a shop.