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pura23 pura23
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8 years ago
Which material in mortar reacts with air and makes it harden?
A) Sand
B) Water
C) Portland cement
D) Hydrated lime
Textbook 
Masonry Level 1 Trainee Guide

Masonry Level 1 Trainee Guide


Edition: 4th
Author:
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speedspeed
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8 years ago
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pura23 Author
wrote...
8 years ago
Wow! Came together nicely, thanks
wrote...
8 years ago
Cool, happy to help
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