a 'maintenance' worker [=a worker whose job is to keep property or equipment in good condition]
The building has suffered from years of poor 'maintenance'.
She works in the company's 'maintenance' department.
(..) Anything more just builds up your tolerance. I check every pill I get for purity. I have milligram Suboxone for maintenance in case I go through withdrawals. Shit! I'm out again. How much? (..)2015 TvShow: Mr. Robot Title: eps1.0_hellofriend.mov Season: 1 Episode 1