Craft operatives and general oper­atives perform the work necessary for the erection of the structure. It is their sk仆I in the handling, preparing, making and use of the materials for the actual structure that completes the picture. 

Trowel Trades 

• bricklayer

• plasterer

• roofer

• flagger & pavior

• tiler

Wood Trades

• carpenter

• joiner

• wood machinist

Technical Services

• plumber

• glazier

• electrician

• refrigeration engineer

• heating & ventilation engineer

• painter and decorator