Joke Collection Website - Mood Talk - What are the characteristics of wood?

What are the characteristics of wood?

Wood is soft and easy to process;

High specific strength, lightweight and high strength;

Good elasticity and toughness, good impact and vibration resistance;

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Low thermal conductivity, good heat insulation and heat preservation performance;

Beautiful texture, easy to color and paint, and good decorative effect.

Disadvantages of wood: uneven structure and anisotropy;

Many natural defects (such as knots, twills, cracks, etc.), easy to decay, insect damage, etc.;

It has the characteristics of swelling when wet and shrinking when dry, and is prone to drying, warping, etc.;

With improper maintenance, it is prone to decay, mildew, and insect infestation;

Poor fire resistance and easy to burn. wait.