NORTHBRIDGE, Mass. – One worker, his body under clothing encased in a suit of circulating ice and water, his head and face protected with helmet and shield, rode on the back of an asphalt truck last Friday morning as it sprayed a layer of asphalt rubber to Quaker Street.
The asphalt was blended with the rubber of scrap tire treads and heated to more than 350 degrees. The hot, dangerous job of the boot man is to use a pick to unclog spigots that sometimes are blocked by the mixture.
The inky black of the rubber asphalt is green for the Northbridge Department of Public ...
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