A Fourth of July reveler seriously injured himself on Thursday night, July 4, while setting off a mortar-type firework, authorities said. Officers and firefighters responded just before 9 p.m. to ...
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Masons who've laid brick for decades say the mortar has changed more than people realize
Pre-mixed mortar products were virtually nonexistent before the 1980s, when nearly every mason blended raw materials on-site by hand. Modern polymer-modified mortars bond more tightly than traditional ...
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