How is a compressed cardboard prepared?

1.	How is a compressed cardboard prepared?
Answer» Materials: bits of wood, saw dust and chemicals sulphate. Producer: 1. The pulp is made by using bits of wood. 2. It is spead evenly as layers. 3. The saw dust is sandwiched between the two layers. 4. This is compressed and dried. 5. It becomes hard and strong as wooden board. 6. Hence there is no need to cut down the whole tree. This helps in reducing deforestation.

Answer»

Materials:

bits of wood, saw dust and chemicals sulphate.

Producer:

1. The pulp is made by using bits of wood.

2. It is spead evenly as layers.

3. The saw dust is sandwiched between the two layers.

4. This is compressed and dried.

5. It becomes hard and strong as wooden board.

6. Hence there is no need to cut down the whole tree. This helps in reducing deforestation.

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