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As some products are designed with a limited lifespan, companies can use cheaper parts for their production.Repairing products is often more expensive than replacing them, which has caused the society to ...
i) There are two main types of knitted fabrics, warp and weft. They both consist of interlocking loops, with the courses running horizontally and the Wales running vertically. Weft knitting has many varia...
Polymers such as PET have various properties such as being flexibility, lighweight and good strenght to weight ratio that allow them to be ergonomically used by consumers. Polymers are also able to be pig...
Polymers may have a large environmental impact at all stages in their life. Oil extraction is energy intensive and may result in spills, directly affecting the local ecosystem. Oil processing to produce t...
Advantages:Light weightStrong in tensionCan be coloured or imprinted on easilyCan be moulded to many shapesDisadvantes:Poor strength in some directionsWill rip and shatter when brokenExpensiveJoining poin...
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