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A hose reel is a cylindrical spindle made of either metal, fiberglass, or plastic and is used for storing a hose. The most common styles of hose reels are spring driven (which is self retracting), hand crank, or motor driven. Hose reels are categorized by the diameter and length of the hose they hold, the pressure rating and the
The design made it possible to shoot on film with both one-sided and double-sided perforation . Quick-change magazine type cassettes with a capacity of 30 and 120 meters were designed for film rolls wound on standard cores 16 × 50. [4] Daylight 100 ft spools could be placed in the magazine by removing the "platters", as per the image to the right.
35mm film reels and boxes 16mm empty film reel with its metal container It is traditional to discuss the length of theatrical motion pictures in terms of "reels". The standard length of a 35 mm film reel is 1,000 feet (305 m), which runs approximately 11 minutes for sound film (24 frames per second ) [ 2 ] and about 15 minutes for silent film ...
The first commonly available increase in tape length resulted from a reduction in backing thickness from 1.5 to 1.0 mil (38 to 25 μm) resulting in a total thickness reduction from 42 to 35 μm (1.7 to 1.4 mils), which allowed 3,600 ft (1,100 m), 1,800 ft (550 m), and 900 ft (270 m) tapes to fit on ten-and-a-half-, seven-, and five-inch reels respectively.
Cave diving guide line reel. A distance line, penetration line, cave line, wreck line or guide line is an item of diving equipment used by scuba divers as a means of returning to a safe starting point in conditions of low visibility, water currents or where pilotage is difficult.
Trollers range from small open boats to large refrigerated vessels 30 meters long. In many tropical artisanal fisheries , trolling is done with sailing canoes with outriggers for stability. With properly designed vessels, trolling is an economical and efficient way of catching tuna , mackerel and other pelagic fish swimming close to the surface.
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