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Portable Suction Machine. The portable suction unit removes secretions either orally or through an artificial airway. These units are compact, light-weight, operated by external power source (AC/DC) or internal battery, with adjustable suction settings
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Jet sand suction dredger is composed mainly of high Dredging machinery (also called sand dredger) is the powerful equipment to Jet sand suction dredger is mainly used for river, lake or sea dredging, sand