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Metal working fluids (MWFs) are used to reduce heat and friction and to remove metal
particles in industrial machining and grinding operations.
6. (a) State TWO principles of green engineering which can be applied to the manufacture of
metal working fluids (MWFs) and explain how EACH is applied?
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[6 marks]
(b) Figure 1 shows the typical life cycle of a product.
A
B
C
(i) Identify ONE principle of green engineering that can be applied to EACH stage
represented by A, B and C.
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[3 marks]
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02165020/SPEC 2015
