Question

what is mean by rolling and twisting

Answer 1

Twisting, in yarn and rope production, process that binds fibres or yarns together in a continuous strand, accomplished in spinning or playing operations. ... Ply yarn is made by twisting two or more single yarns together, usually by combining singles twisted in one direction with a ply twist in the opposite direction.1.

moving by turning over and over on an axis.

"a rolling ball"

2.

(of land) extending in gentle undulations.

"the rolling countryside"

Answer 2

Rolling and Twisting:

• Rolling and twisting is commonly used in case of ropes and clothes mats.
• The rolling is the process of folding the substance or ropes or clothe mats in to various folds and creating the small compact sheet layers.
• The twisting of ropes or clothes is to create the turns in to different direction by folding in to different angles and finally twisting.  
• The rolling and twisting process is used in chemical, food, textile and electronic industries widely.
• In food industry to roll and twist the food substrate and bring the best out of it. In electronic industry to create the coil and wires.

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What is mean by twisting and rolling​

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