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Here you got Video lectures Chapter and Topic wise
Fibre
Polymer
SYNTHETIC FIBRES
RAYON , Uses of Rayon NYLON , Uses of Nylon POLYESTER , Uses of Polyester Fibres PET , ACRYLIC Characteristics of Synthetic Fibres Disadvantage of synthetic fibres PLASTICS
Types of Plastics Plastics
USEFUL PROPERTIES OF PLASTICS
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