ELECTRIC SUCTION SWEEPER
In 1907, a Canton janitor's asthma got so bad he rigged a fan motor, broomstick, and pillowcase into a vacuum: His cousin's husband, W.H. Hoover, bought the patent in 1908
UP govt sets strict sanitation guidelines for Mahakumbh 2025 to ensure cleanliness, safety
A better work environment for sanitation workers requires mechanisation, better gear and bigger private play
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