Question

Define with example Industries based on raw materials.

Explain the process of making paper.


Define manufacturing activity or secondary activity ?


What is Industry?


please answer it very arjent how now see will answer
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Answer 1

✬ ANSWER ✬

1.) On the basis of source of raw materials there are two types of industries.

• Agro - based industries :- Industries of cotton , jute, silk , sugar , tea , coffee etc come under this category.

• Mineral - based industries :- Industries of aluminium, cement, iron , steel , petrochemicals etc come under this category.

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2.) To make paper from the wood

• First obtain the raw wood which is made up of fibres called cellulose.

• Turn the wood into pulp.

• By using a natural glue ,struck all the cellulose fibres together. The glue is known as Lignin.

• After some days, remove the glue & separate and reorganize the cellulose fibres together.

• The most common method used for making paper is by chemical pulping.

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3.) Manufacturing activity

• In this activity manufacturing, testing, packaging, storing and many more activities are done for making new items from the raw materials.

★ Secondary activity

• In this activity people make more valuable and useful goods from the products obtained from primary activites. Goods are made from raw materials that are found in the nature.

• Examples are :- Making of cloth from cotton , silk etc or making of sugar from sugarcane etc.

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4.) A place where something is made , manufactured, by labours is known as industry or factory.