Related Clues:

• Machine designer, maker or operator
• Manage Mastermind?
• Locomotive driver
• Cleverly bring about
• In Bow he never takes alcohol, being a mechanic
• Effect this professional man produced
• Roger's occupation, according to The Yardbirds
• Practical technologist
• Design, build
• A train driver's plan
• Deviser
• Bring about (an event); technologist
• One who designs/builds
• Applied technologist
• Plot always found at the back of English home