
Design and Applied Technology (Secondary 4-6)
28
Environmental life-cycle analysis for a manufacturing process
D O T H E R I G H T T H I N G
(a) Why should products be recyclable?
(b) What damages can be made to the earth if designers and engineers do not pay
attention to environmental issues?
(c) Can home appliances be replaced by environmental friendly ones?
Raw materials Energy
Manufacturing
processes
Solid waste
Liquid waste
Energy waste
Emissions into
the atmosphere
Gaseous waste
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