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.
A typical full time work week consists of five 8 1/2 or 9 hour days with a 1/2 or 1 hour unpaid lunch break plus two paid 15-20 minute breaks. Though full time employees only work 40 hours per week, they actually spend up to 45 in the workplace, not including overtime. Some companies have shifted to 4 ten hour shifts per week so that employees can enjoy an extra full day off.