Building Materials
Priming consists of

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

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Building Materials
Rapid hardening cement attains early strength due to

Lesser proportion of lime grounded finer than normal cement
Excess percentage of gypsum
Larger proportion of lime grounded finer than normal cement
Lesser proportion of lime grounded coarser than normal cement

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