Zusammenfassung der Ressource
TECHNICAL MATERIALS: WOOD
- KEYWORDS
- Hard
- Tough
- Deformable
- Elastic
- Plastic
- Ductile
- Malleable
- Conductor
- Insulating
- Raw material
- Natural material
- Processed material
- CHOOSING MATERIALS
- Strong
- Weighs
- Attractive
- Nice to touch
- Cheap
- Can build with
- Readily available
- Not contaminated or toxic
- PROPERTIES OF MATERIALS
- Sensory properties
- Transparent
- Translucent
- Opaque
- Mechanical properties
- Hardness
- Toughness
- Deformability
- Ductility
- Malleability
- Physical properties
- Electrical, thermal and sound conductivity
- Thermal expansion
- Environmental properties
- Chemical properties
- HOW WOOD IS FORMED
- Bark
- Growth rings
- Pith
- Heartwood
- Sapwood
- Vascular cambium
- Wood rays
- NATURAL WOODS
- Hardwoods
- Softwoods
- WOOD PRODUCTS
- Man-made products
- Plywood
- chipboard
- Wood derivaties
- paper
- cardboard
- cork