CARPENTRY 1

• Tools


  Implements used to modify raw materials for human use, considered as extension of the hand thereby increasing its speed, power and accuracy
• Tool making is exclusively a human characteristic that distinguishes man from lower primates
• Importance of tools

  • Efficiency
  • Accuracy
  • Quality of work
  • Speed of work
• Availability and sufficiency of materials, experience and skill of workers, and quality of tools and equipment are important considerations in using tools effectively
• Carpentry tools classified by function

  • Guiding and testing tools
  • Marking tools
  • Measuring tools
  • Holding tools
  • Toothed cutting tools
  • Sharp-edge cutting tools
  • Rough facing tools
  • Smooth facing tools
  • Boring tools
  • Fastening tools
  • Sharpening tools
  • Working bench
• Steel tape


  Used to measure longer distances available from 1 meter to 50 meters
• Zigzag rule


  A tool available in 4feet and 6feet long commonly used by carpenters on rough layout
• Marking gauge


  A tool most appropriate in marking lines parallel with the edges of the wood
• Claw hammer


  A hand tool made of steel carefully forged, hardened and tempered, with size varying from 140 to 560 grams
• Sledge hammer


  A tool with a large, flat, often metal head, attached to a long handle
• Screwdriver


  A hand tool with a head and shank used for turning screws, classified as Philip, flat, or Yankee
• Cross-cut saw


  Used to cut across the grain of the wood
• Chisel


  A tool with a characteristically shaped cutting edge of blade on its end, for carving or cutting a hard material such as wood, stone, or metal
• Chalk line


  A tool box for making long, straight lines on relatively flat surfaces
• Plumb bob


  A tool with a pointed tip on the bottom, suspended from a string and used as a vertical reference line
• Try square


  A square with blades ranging from 6 to 12 inches, used to check and mark right angles
• Level bar


  A straight bar of light metal with a spirit level in it, used to establish or verify points in the same horizontal, vertical even diagonal line
• Level hose


  A simple device that can provide an accurate elevation comparison between multiple points
• Oil stone


  Used after the grinding operation to achieve a smooth keen edge of the tool
• Chisel


  Tool with a sharp, wedge-shaped cutting edge at the end, for carving or cutting hard materials like wood, stone, or metal
• Cross Cut Saw


  • Tool for cutting across the grain of wood
• Chalk line


  Tool for making long, straight lines on relatively flat surfaces, much farther than is practical by hand or with a straightedge
• Plumb bob


  Tool with a pointed tip on the bottom, suspended from a string and used as a vertical reference line
• Try Square


  Square with blades ranging from 6 to 12 inches, used to check and mark right angles
• Level bar


  Straight bar of light metal with a spirit level, used to establish or verify points in the same horizontal, vertical or diagonal line
• Level hose


  Simple device that can provide an accurate elevation comparison between multiple points
• Oil stone


  Used after grinding to achieve a smooth, keen edge on a tool. Oil is used as a lubricating medium.
• Lumber


  Wood that has been sawed or sliced into boards, planks, sticks, etc. for commercial purposes
• Plywood


  Thin, cross-laminated sheet of wood
• Nails


  Metal fasteners used for joining wood
• Screw


  Metal fastener with a threaded shaft, also used for joining wood
• G.I. Wire


  Used to fasten plywood and lumber
• The importance of tools is to enable efficient and effective work
• Working with good tools provides advantages like increased productivity, better quality results, and reduced effort
• Carpentry tools

  • Sledge hammer
  • Chisel
  • Steel tape
  • Chalk line
  • Oil stone
  • Cross-cut saw
  • Plumb bob
  • Try square
  • Level bar
  • Level hose
• Construction materials


  • Plywood
  • GI wire
  • Nails
  • Screw
  • Lumber