The second step is called polishing, this is where the plaster is sprayed or brushed with a light film of water and then polished down with a trowel or sponge to produce a smooth finish. As of May 2011 the cost of materials for a single layer of plaster skim are between 50-75p per m 2.he second step is called polishing, this is where the plaster is sprayed or brushed with a light film of water and then polished down with a trowel or sponge to produce a smooth finish. As of May 2011 the cost of materials for a single layer of plaster skim are between 50-75p per m 2.
Required length of work term. 1  Work terms must consist of full-time employment (35-40 hours per week) for 16 weeks (matching the length of a four-month academic term). Work terms generally start and end on the dates published in Quest, under Important Dates.
1 The standard work week is defined by law as a regularly recurring period of 168 hours in the form of seven consecutive 24 hour periods. 2  The Universityâs official work week is 12:01 a.m. Sunday through 12:00 midnight Saturday.  The Universityâs normal work day is 7.5 hours. Many jobs are required to work eight hours daily, totaling 40 hours weekly. Note: The standard work week and work day apply primarily to positions which are subject to overtime provisions of state law (nonexempt).