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In 2008, a disinfectant was added to "kill 99.9% of bacteria flush after flush" in an apparent response to competitive pressures; Ty-D-Bol has claimed to "kill 99.9% of toilet bowl germs with every flush" since 1994 and crystal bowl cleaners have made claims to "kill millions of germs" since Sani-Flush's 1911 introduction.
Aerosol droplets produced by flushing the toilet can mix with the air of the room, [9] larger droplets will settle on surfaces or objects creating fomites (infectious pools) before they can dry, like on a counter top or toothbrush; [8] [11] and can contaminate surfaces such as the toilet seat and handle for hours, which can then be contacted by hands of the next user of that toilet. [4]
The hole in the floor (also known as a drop chute toilet or direct flush toilet) system is still in use in many parts of the world, particularly on older rolling stock. The principal disadvantage is that it can be considered crude or unhygienic and dangerous to health and the environment – it litters the railway lines and can convey serious ...
From how airplane toilets work to heating food onboard, here’s how flight crew make everyday life happen at 40,000 feet.
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When the treads become flush with these perpendicular bars, it's a sign that the tire has lost much of its traction and needs to be replaced or retreaded for safe driving. Related: Useful Car ...