Building Materials
If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

Grey or foundry pig
Bessemer pig
White or forge pig
Mottled pig

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Building Materials
Priming consists of

None to these
One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil
8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil
One part of white lead, 8 parts of chalk and one part of linseed oil

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