Floor

Floor (commonly made of floor) is a term referred to the bottom of a room. Buildings often have multiple floors, for example Satellite Five had 501 (0-500).

Information from invalid sources
In an article on the Cybus Industries website that attempted to recruit new employees for Cybus Industries, potential employees were sorted into two categories, between the Trainee Scheme and Seniors Programme; the Trainee Scheme started its employees off on the factory floor and would mould them into the perfect worker. (NOTVALID: Our Family)