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Use "janitorial" in a sentence
"The high-IQ guy in janitorial, OTOH, will be Mr. Slacker, and may not produce a lot as a janitor.)"
"The Department of Environmental Services - also known as janitorial or custodial services - plays a key role in the hospital's infection control, said Louis Dinneen, FAHC facilities management director."
"Just install a 50 cal machine gun in place of the pepper spray and call a janitorial service after it gets set off."