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1·Practical chapters contain all the instructive and problem-solving information needed to complete any given task from shelving, painting and paperhanging to tiling, insulation, and ventilation.

实用章节包含的所有指导和解决问题所需的信息，完成从搁置，绘画和裱糊到瓦片，保温和通风任何给定的任务。