Good knowledge of the common practices, methods, tools, and materials of varied, semiskilled maintenance work; good knowledge of the hazards and safety precautions of the work; ability to understand and follow oral and written directions; to perform heavy manual labor for extended periods; to use hand and mechanical tools and equipment, and to develop skill in assigned operations; to operate trucks, small tractors, and other power equipment; and to read and understand chemical labels and warnings. Operate tractors, and specialized equipment using specific attachments, to till, cultivate, and grade new turf areas, to apply prescribed amounts of lime, fertilizer, insecticide, and fungicide, and to mow rough and fairway areas at designated cut, exercising care not to injure turf or shrubs.