thermal&heat insulation materials

The best sound insulators are

• polyreuthane foam

• mineral wood

• cellulose

• fiberglass

• polystrene

Which materials are fire-resistant?

• polyurethane

• mineral wood

• cellulose

• fiberglas

• polystrene

Cellulose is excellent to minimize fire damage because it is compacted and does not contain

The polystrene has a characteristic that no other materials have:

• sound insulator

• temperature insulator

• smooth surface

• flammable

Which of them are eco friendly materials?

• polyurethane foam

• mineral wood

• cellulose

• fiberglass

• polystrene

Polystyrene is also known as

Fiberglass can cause damage to some parts of our body if we don't wear the proper safety equipment, such as in our

• bones

• lungs

• skin

• eyes

• heart