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Why can the vacuum cleaner vacuum?
02-04-2019
There are many benefits to using a vacuum cleaner to clean the environment: When cleaning, it will not spread and fly dust, which is conducive to environmental protection, and is especially beneficial to the respiratory ...
Can household vacuum cleaners absorb water?
11-04-2019
Household vacuum cleaners can absorb water. Nowadays, household vacuum cleaners on the market are divided into dry type and dry type. The dry type vacuum cleaner can not absorb water. It can only absorb some dry dust, de...
The history of vacuum cleaner
18-04-2019
In 1901, British civil engineer Booth visited the United States for a demonstration of a car dust collector in the Imperial Concert Hall in Leicester Square, London. This type of vacuum cleaner uses compressed air to blo...