Abel Systems in North Wingfield make demountable systems for trucks. Brass demountable push-fit fittings are manufactured By Pegler under the brand Tectite. The cars were horizontal platforms with sprung, demountable passenger carriage bodies on them. The flood defence consists of demountable barriers, walls and earth banks. They were capable of light towing, and were originally fitted with demountable fire monitors. In 1982 access was further restricted by railings and a demountable gate. Each camp had a boozer which was a basic demountable building with outdoor covered seating. Germany's Bimobil even offered a demountable camper for the 504, weighing about . In Australia the word "demountable" in particular refers to portable classrooms. Currently in use is a permanent demountable building. Colo High School was established in 1978 in demountable buildings at North Richmond. It was originally located in Brooke Avenue (within Killarney Vale) in demountable buildings before relocating. It has three main blocks, a block consisting of demountable buildings and an additional block. Other demountable buildings are also located within the vicinity of the Endeavour Centre. The demountable oscillators also proved difficult to build.