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What are the classification and characteristics of fire hoses?

Update:16-10-2020
Summary:

The fire hose is a hose used for water delivery at the […]

The fire hose is a hose used for water delivery at the fire site. Fire hoses can be divided into two types: lined fire hoses and unlined fire hoses.
1. The unlined hose has low pressure, high resistance, easy water leakage, mildew, and short life span. It is suitable for laying on fire sites in buildings.
2. The lining hose withstands high pressure, is resistant to wear and tear, is resistant to leakage, has low resistance, and is durable. It can also be bent and folded at will, moved at will, easy to use, and suitable for laying on external fire sites.

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