Dictionary
Styles
Pritzker
RIBA
References
CAD Scale Factors
AIA Numbering System
CMU Block Sizes
Dictionary
Styles
Pritzker
RIBA
CAD Scale Factors
AIA Numbering System
CMU Block Sizes
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lead-free
A label, defined by U.S. EPA regulations under the Safe Drinking Water Act, that allows small amounts of lead in solders, flux, pipes, pipe fittings, and well pumps
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