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====Applications====
: Pins in [[Electrical Plug|electrical plugs]], keys, taps, door handles.
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Brass, page 286, GCSE Chemistry, CGP, AQA '']