(air filters) Adhesive filters made of metal or various fibers that are coated with an adhesive liquid to which particles of lint and dust adhere. These filters will remove as much as 90% of the dirt if they do not become clogged. The more common filters are of the throwaway or disposable type.
A device for filtering particles of dust, soot, etc., from the air passing through it, esp. one protecting the air inlet of an internal combustion engine
a filter that removes dust from the air that passes through it
A particulate air filter is a device composed of fibrous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air.
A periodical publication with critical articles on current events, the arts, etc
A formal assessment or examination of something with the possibility or intention of instituting change if necessary
look at again; examine again; "let's review your situation"
A critical appraisal of a book, play, movie, exhibition, etc., published in a newspaper or magazine
an essay or article that gives a critical evaluation (as of a book or play)
reappraisal: a new appraisal or evaluation
labor: work hard; "She was digging away at her math homework"; "Lexicographers drudge all day long"
Work extremely hard or incessantly
(toiling) drudging: doing arduous or unpleasant work; "drudging peasants"; "the bent backs of laboring slaves picking cotton"; "toiling coal miners in the black deeps"
Move slowly and with difficulty
labor: productive work (especially physical work done for wages); "his labor did not require a great deal of skill"
Bubble, bubble, toil and trouble
Bubble, bubble, toil and trouble
Two soap bubbles for the price of one, the smaller one caught in the act of bursting!
Such frustrating fun!!!
My toils are neverending
"Too long, that some may rest,
Tired millions toil unblest."