Clean mirrors, handrails, floors, glass doors, windows, window ledges, file cabinets, blinds, shelves, tables, chairs, dry erase boards, ceilings, diffusers, and air ducts. Under the general direction and supervision of the Superintendent, Physical Plant, the Custodian is responsible for cleanliness, sanitation, and orderliness both inside and outside of areas assigned, and for the removal of waste collected.