When a piece of coal was sucked up and lodged in an industrial vacuum’s hose, a worker chased after it, sticking his arm into the hose without first turning off the power. The resulting injuries required ongoing medical care and reduced his ability to work.In another story circulating through the industry, a vacuum hose snagged the sleeve of an operator’s rain gear as he cleaned a tank. He tried to free his stuck fingers with his other hand, which was sucked into the hose. Every blood vessel in the worker’s arm was ruptured. Incidents like these need not happen, and
