| 1. | It is not a true suction hose as it cannot withstand a negative pressure.
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| 2. | Hard suction hose may also be used to connect a fire engine to a hydrant.
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| 3. | In 1950, Hoover introduced the Veriflex, which was the first rubberized suction hose in the industry.
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| 4. | The steady beeping of the heart monitor is accompanied by the gurgling of the suction hose.
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| 5. | Some very flexible hard suction hose uses a thin polyvinyl chloride cover with a polyvinyl chloride plastic helix.
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| 6. | Hard suction hose consists of multiple layers of rubber and woven fabric encapsulating an internal helix of steel wire.
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| 7. | Van der Heyden was also credited with an early version of a suction hose using wire to keep it rigid.
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| 8. | Since hard suction hose cannot be folded, it is typically mounted on the side of a fire engine, often opposite ground ladders.
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| 9. | Some models had the hard, suction hose fixed to the intake and curled up over the apparatus known as a squirrel tail engine.
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| 10. | In certain circumstances, it may be possible to use hard suction hose to draft from a hydrant with adequate water supply but a low flow rate.
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