Factories are places where products are manufactured from raw materials. With the invent of modren machine, mass production is possible at low cost. Once products get ready they are transported to the shopes for selling. People know about goods by advertisements and publicity. Advertisement is the paid promotion of goods. People buy those goods from shops and factories get profits. With those profits manufacturing of new products start.
With the invention of modern machines,
Once products are ready
to shops to sell.
. People know about goods from advertisements
Advertising is the paid promotion of goods
factories make profits
the manufacture of new products starts again