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.
There are five months in a year which have five weeks and these months are January, March, August, October and December.This is due to having thirty-one days instead of the normal thirty day month.ive working weeks is 25 days (5 x 5). The working weeks are separated from each other by 2 'non-work' days.Between five working weeks there are 4 periods of 2 'non-work' days, i.e. 8 days (4 x 2) To achieve five working weeks you need 25 work days plus 8 non-work days in between.