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.
(..) Maybe even roll them back a bit. Make the hosts more manageable. Lobotomies tend to do that. Well, think of the benefits in terms of design time, maintenance, costs. Not to mention the Dr. Ford factor. The guy's gonna chase his demons right over the deep end. (..)2016 TvShow: Westworld Title: The Original Season: 1 Episode 1