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เนื้อหาย่อ : Table of Contents Acknowledgment List To the Teacher Section A. APPROACH TO WOODWORKING. Unit 1: Introduction What will this course teach me?, 14: Why take a course in woodworking?, 15; Team approach in woodw dworking, 19; Some people who work with woods, 21; Values of wood as a building material, 26 Unit 2: Safety. Ways to be safety-smart, 28 Unit 3: Design Some elements of design, 33; Principles of design, 36; Examples of design, 39 Unit 4: Reading Prints, Estimating, and Planning. Kinds of woodworking drawings, 437 Architectural drawings, 49, Pattern drawings, 70; Estimating and planning,70 Check Your Knowledge, 74; Things To Do, 75 ection B. WOOD MATERIAL TECHNOLOGY Unit 5: Kinds of Woods. .. . . Hardwoods, 79; Softwoods, 82 Unit 6: Properties of Woods. Hardness, 86; Weight, 87; Freedom from shrinking and swelling, 87; Freedom from warping, , 87; Ease of working v with hand tools, 88; 8; Nail-holding p power, 88; Bending strength, 89; Stiffness, 89 Compression sion strength, 90; Toughness, 90; Resistance to decay, 91; Surface appearance or figure, 91; Ease of finishing, 92 Unit 7: Nature of Wood. Cell structure, 95, Growth rings, 97; Methods of cutting boards from logs, 98; Softwoods and hardwoods,99 Unit 8: Seasoning. Methods of drying lumber, 104; Storing Iumber, 106; Selection of lumber, 110 Unit 9: Grading Lumber Lumber defects, 111; Hardwood grading, 114; Softwood grading,115 Unit 10: Buying Lumber. Buying from a lumber yard, 118; Lumber sizes, 120; Writing hardwood lumber specifications,123; Checking lumber you have received, 124