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.
Long-term sickness. Employees who are off work sick for more than 4 weeks may be considered long-term sick. A long-term sick employee is still entitled to annual leave.mployees must give their employer a doctorâs âfit noteâ (previously called a âsick noteâ) if theyâre off sick for more than 7 days in a row (including non-working days). Hospital doctors or. provide them. They can charge a fee if a fit note is asked for before the 7th day.