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industry. resins, both natural and synthetic, are organic compounds comprised of non-crystalline and viscous liquids. polymers, on the other hands are substances made up of repeating structural units, derived from a specific compound called monomer, joined together by chemical bonds. in modern industry...
are obtained by the tapping of living pine trees. collections of the resins is a labour intensive operation similar to rubber-tapping. pt. naval overseas has its own plantations in sulawesi and sumatra, indonesia from where the oleo pine resins are collected. distillation of the oleo pine resin is done...