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Describe 3 ways in which built-in obsolescence affects the society.

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 gro...
SA
2605 Views

i) Describe the construction of the two main types of knitted fabrics ii)Explain why knitted fabrics are used for a wide range of garments.

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 variatio...
GO
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Explain why a polymer may be more suitable for bottles than glass

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 pigmen...
AL
2474 Views

Discuss the environmental issues associated with the use of polymers in product design and manufacture

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 the ...
JS
4517 Views

Give 2 advantages and disadvantages of carbon fibre.

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 points ...
TM
2862 Views