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Special features include:     concise text many clear, full colour illustrations around 140 photographs topics focussed on the needs of NVQ\/SVQ levels 2 and 3 additional topics beyond levels 2 and 3 a self-assessment section a problem-solving section   This new edition has been thoroughly updated to take account of changes to the Building Regulations, including changes to the following approved documents: Part F: Ventilation; Part G: Sanitation, hot water safety and water efficiency; Part H: Drainage and waste disposal; Part L: Conservation of fuel and power and Part P: Electrical safety. A significant new section on energy conservation \u0026amp; sustainability has been added, and additional related material introduced where relevant. 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