wadding filter
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Cigarette filter — Filters in a new and used cigarette A cigarette filter has the purpose of reducing the amount of smoke, tar, and fine particles inhaled during the combustion of a cigarette. Filters also reduce the harshness of the smoke and keep tobacco flakes… … Wikipedia
Bunzl — Infobox Company company name = Bunzl plc company company type = Public (lse|BNZL) foundation = 1940 location = London, England, UK key people = Anthony Habgood (Chairman of the board), Michael Roney (CEO) industry = Distribution and outsourcing… … Wikipedia
Loudspeaker enclosure — A loudspeaker enclosure is a cabinet designed to transmit sound to the listener via mounted loudspeaker drive units. The major role of the enclosure is to prevent the out of phase sound waves from the rear of the speaker from combining with the… … Wikipedia
papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper. paʹper·mak er n. * * * Introduction formation of a matted or felted sheet, usually of cellulose fibres,… … Universalium
Walter Hesse — Walther Hesse (December 27, 1846 – July 19, 1911) is best known for his work in microbiology, specifically his work in developing Agar as a medium for culturing microorganisms.BiographyBorn in Bischofswerda as one of 12 children in the family of… … Wikipedia
Song Yingxing — (Traditional Chinese:宋應星; Simplified Chinese:宋应星; Wade Giles: Sung Ying Hsing; 1587 1666 AD) was a Chinese scientist and encyclopedist who lived during the late Ming Dynasty (1368 1644). He was the author of an encyclopedia that covered a wide… … Wikipedia
History of firearms — Gunpowder was discovered in China in the 9th century. [Harvnb|Buchanan|2006|p=2 With its ninth century AD origins in China, the knowledge of gunpowder emerged from the search by alchemists for the secrets of life, to filter through the channels… … Wikipedia
