ขั้นตอนการแปรรูปมี 3 ขั้นตอน คือ
The processing is 3 steps.
Synthetic fiber is that which is made from different types of polymers. We can manufacture it in 3 steps.
วิธีผลิต
The rubber trees are serrated, and the trunk is cut ,in a special angle. The sap/ rubber drips and falls into a container which is attached to the tree hence. After a day, the rubber hence collected can be treated.