A driver
works in a car
A plumber
works with water
A welder
works with metal
A footballer
works with a ball
An electrician
works with electricity
A doctor
works in a hospital
A chef
works in a restaurant
A firefighter
works in a fire station
A mechanic
works with cars
A builder
works with buildings
A lumberjack
works with wood
A teacher
works in a school
A musician
works with music
A pilot
works on a plane
A sailor
works on a ship
A police officer
works in a police station