Passenger train toilets, aircraft lavatories, bus toilets, and ships with plumbing often use vacuum toilets. Lavatory service vehicles empty and refill lavatories onboard aircraft. Stainless steel lavatories and commodes are also used. Lavatories and bathrooms within the passenger quarters survive because they were framed in steel. Communal lavatories and bathrooms were separated by companionways and divided by sex. Aft of the passenger spaces was an all-electric galley, lavatories, and cargo hold. Weber produced seats, galleys, lavatories and other equipment for commercial and military aircraft. These floors featured private lavatories in reconfigurable office spaces. Between 1896 and 1901 Director Maiden installed new lighting, seating, lavatories, fountains and pathways. The 767 interior introduced larger overhead bins and more lavatories per passenger than previous aircraft. Communal lavatories with illuminated signage could be found along the passageways divided by gender. It must not be used for flushing lavatories. Its amenities include furnished bedrooms, lavatories, and studies for each occupant. Excretion contaminated the entire floors of these lavatories. Performances were occasionally enlivened by lost passengers seeking the lavatories.