A janitor, also known as a custodian, porter, cleanser, cleaner or caretaker, is a person who cleans and maintains buildings123. They may also carry out maintenance, security, and waste management duties24. A janitor works in various settings, such as office buildings, schools, hospitals, or large facilities12. They use different tools and equipment, such as vacuums, mops, polishers, or heavy machinery, to clean the interior and exterior of buildings, including floors, carpets, rugs, windows, walls, furnishings, and fixtures.
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