A person who builds or repairs engines or other machines.
A mechanic
Who has the knowledge to give an opinion about something is good or bad?
A judge
Someone who plays a musical instrument.
A musician
Who brings to the Earth samples of rock and soil?
An astronaut
A person who sings, especially a trained or professional vocalist.
A singer
Someone who is writing and publishing books.
An author / a writer
Someone who investigate and report news stories to the public.
A news reporter
A person whose job is to design or build machines, engines, or electrical equipment, or things such as roads, railways, or bridges, using scientific principles.
An engineer
Who uses needles and fabrics?
A tailor
They use a variety of tools and instruments. In the laboratory they might use microscopes.
Scientists
Who can use different vehicles?
A driver
A person who customers pay money to or get money from in places such as shops or banks.
A cashier