29 



ping or painting the lumber or painting the forms after 

 they are set. Be very careful in this last not to allow 

 any of the steel to come in contact with these oils. 

 Do not use any preparation when the wall is to be 



plastered, as an oil would prevent plaster adhesion. 



Use unsurfaced lumber in this case when practicable. 



* III 



5 



B 



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111 ^ 



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9.000 



6,76Q 

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/./JLO 

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