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What is Vacuum Cleaner?

What is Vacuum Cleaner?

Hubert Cecil Booth of England has the strongest claim to inventing the motorized vacuum cleaner, in 1901. As Booth recalled decades later, that year he attended "a demonstration of an American machine by its inventor” at the Empire Music Hall in Lond

What is Mite?

What is Mite?

House dust mites are diverse small arthropodsthat are microscopic--1/4-1/3mm long, about the size of a sharp pencil dot. The only harm they cause is to those who are allergic to them, sparking the typical symptoms of allergy--sneezing, sniffling, itc

What is Allerjen?

What is Allerjen?

An allergen is any substance that can cause an allergy. Usually, allergens are harmless for many people. However, some individuals may respond to many common environmental antigens.