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How crayons are made?

1- The wax is dissolved at 90º C in a thick walled vat heated with steam. 2- The wax has to be weighed to determine the quantity of pigment to be added. This is the only way to ensure each crayon will have the same colour tone. 3- The wax is then put into a machine which works like a liquidizer and the pigments are added. The mixture is kept warm until it gets uniform. 4- The mixture is then put in mouldes that will determine the shape of the crayon. 5- The mouldes are then rapidly cooled with water for three minutes so the mixture solidifies. 6- The crayons are pulled out from the mouldes, paper wrapped and then boxed ready for sale. How crayons are made?
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How crayons are made?