Either a dust bag or a cyclone collects the dirt for subsequent disposal. Small Cordless Vacuum Handheld devices; wheeled canister models for home use; domestic central vacuum cleaners; huge stationary industrial appliances that can handle several hundred liters of dust before needing to be emptied; and self-propelled vacuum trucks for recovery of large spills or removal of contaminated soil are among the available sizes and models of vacuum cleaners. Both dust and liquids can be collected with specialized shop vacuums.
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