0DUWLQ(QJLQHHULQJ?2QH0DUWLQ3ODFH?1HSRQVHW,/ 86$ 3K?)[ ?LQIR#PDUWLQHQJFRP?ZZZ PDUWLQHQJFRP 352%/(062/9('?3$3(5 62/87,21 ,1'8675 <   /2&$ 7,21  352%/(0  62/ 87,21 5(68/ 76 Martin® CleanScrape Cleaner Rock Quarry USA A U.S. rock quarry was experiencing carryback on one of its conveyors. The system transfers thousands of tons of 4-in. (101 mm) minus a

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