Contractors and supervisors in this unit group perform some or all of the following duties:
A. May manage the operations of own company
B. May also supervise, co-ordinate and schedule the activities of related apprentices, helpers and labourers.
C. Supervise, co-ordinate and schedule the activities of workers who repair and maintain aircraft, railway locomotives and cars, industrial machinery and equipment, construction and other heavy equipment, textile equipment, printing machines, heating equipment and furnaces, transformers and other electrical equipment, motor vehicles, air-conditioning and refrigeration equipment, electric appliances and other equipment, such as motorcycles, outboard motors and snowmobiles
D. Establish methods to meet work schedules and co-ordinate work activities with other departments
E. Requisition materials and supplies
F. Resolve work problems and recommend work measures to improve productivity
G. Train or arrange for training of workers