Choose the one word substitute for the below sentence.
John asked his neighbor, a person who repairs and maintains machines called?
Show answer & explanation
Correct answer: A
Explanation
A mechanic is a person who repairs and maintains machinery.
A technician is a person whose work involves practical skills, especially in industry or science.
An engineer is a person whose job is to design, build or repair engines, machines, etc.
An operator is a person whose job is to work a particular machine or piece of equipment.