Building Materials
A pug mill is used for

Tempering brick earth
Softening brick earth
Providing brick earth
Moulding brick earth

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Building Materials
Priming consists of

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

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