TECHNOLOGICAL MATERIALS, TOOLS AND WOOD

TECHNOLOGICAL MATERIALS, TOOLS AND WOOD

1. RAW MATERIALS

   • ANIMAL ORIGIN
   • PLANT ORIGIN
   • MINERAL ORIGIN

2. NATURAL AND PROCESSED MATERIALS

   • ARE APPLIED TO RAW MATERIALS , ALSO KNOW AS NATURALRESOURCES , TO TURN THEM INTO PROCESSED MATERIALS
     • EXAMPLE: THE WOOD FROM TREES IS MADE INTO PLANKS, WICH ARE USED TO BUILD FURNITURE.
   • SYNTHETIC
   • ARTIFICIAL

3. THE PROPERTIES OF MATERIALS

   • MECHANICAL PROPERTIES
   • THERMAL PROPERTIES
   • ENVIRONMENTAL PROPERTIES

4. TOOLS

   • THE FIRS TOOLS MEDE BY HUMANS
   • WHAT IS A TOOL?
     • TOOLS MAY BE DEFINED AS OBJETS DESIGNED TO CARRY OUT MECHANICAL WORK AND TASKS

5. WOOD AND TYPES OF WOOD

   • WOOD IS THE FRIBIUS MATERIAL THAT THE TREES ARE MEDE OF. IT IS MADE UP OF TWO MAIN SUBSTANCES.
     • LIGNIN
     • CELLULOSE
   • TYPES
     • NON-RESINOUS
     • RESINOUS

6. THE PROPERTIES OF WOOD

   • HARDNESS
   • THERMAL AND ELECTRICAL INSULATION
   • FELXIBILITY
   • DENSITY
   • HYGROSCOPICITY
   • SOUND CONDUCTIVITY
   • SPLITABILITY
   • TOUGHNESS

7. FROMS OF WOOD

   • NATURAL WOOD
   • PREFABRICATED WOOD

8. WOODWORKING TOOLS

   • CUTTING TOOLS
   • MACHINE TOOLS
   • ASSEMBLY TOOLS
   • IMPACT TOOLS