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Search results for keyword: recreation
Bearing Supplementary Code
Ball Bearing Ball bearings are the most common type of bearing used in a variety of applications requiring smooth and quiet operation. Ball bearings are typically composed of two rings, an inner ring and an outer ring, each of which is machined to hold a precision-made ball in place between them.......
Open Deep Groove Ball Bearings
Open Type Deep Groove Ball Bearing Open type deep groove ball bearings are of the most widely used rolling bearings. Suitable for a variety of applications, these bearings are characterized by low friction, low noise, and high rotational accuracy. Deep groove ball bearings consist of two racewa......
tags: bearings groove deep deep groove ball
1037
Sophia
ceramic bearing
Ceramic bearings are bearings made primarily from ceramic materials which are non-toxic, wear-resistant, chemical resistant, light weight and corrosion-resistant. Ceramic Bearing design and material results in robust parts that need less maintenance and could even last longer than traditional ste......
plastic bearing
Plastic Bearings: The Benefits of Plastic Over Metal Bearings The use of plastic bearings is increasing, as more and more industries are discovering the many benefits of plastic over metal bearings. Plastic bearings offer a number of advantages such as improved wear and corrosion resistance, redu......
what is a pump
A pump is a device that moves fluids, such as liquids and gases, from one place to another. Pumps are used in a variety of applications including water treatment and distribution, waste-water management, irrigation, industrial process applications, and more. Pumps can also be used in numerous home......
tags: pumps systems pump pumps used water
1036
Sophia
The definition and development history of crossbow
Definition and Development of Crossbow Crossbow is a weapon for firing arrows or bolts at targets by means of lever, rope, and pulley systems. It was the earliest form of projectile weapons and has been used for thousands of years in both war and hunting. The word crossbow itself stems from the G......
tags: crossbow weapon has used crossbows weapon
1033
Sophia
Concept and Development History of Four-Wheel Vehicle (Part 2)
The development of four-wheel drive in the early 20th century saw a huge surge in the development of off-road and all-terrain vehicles. Companies such as Willys-Overland, Chevrolet, and Dodge all produced, or licensed, production cars with four-wheel drive. Willys released their Quad, while Chevro......
air wave supercharger comprex supercharger
Comprex Superchargers A comprex supercharger is a type of forced induction device used to increase the power and efficiency of an engine. Unlike a turbocharger, which uses exhaust gases to create pressurized air, a comprex supercharger uses mechanical energy to pressurize air. This type of superc......
water discharge
Water pollution is a very important environmental problem. Water pollution is the contamination of water bodies by various chemicals, solids, and microorganisms. Water pollution occurs when pollutants are discharged into water bodies without proper treatment, leading to a change in the chemical a......
tags: water pollution can sewage treatment water
1041
Emily
A Survey of Ship Power Plants (Part 2)
2.2 Types of Ship Propulsion Systems Today’s vessels are equipped with sophisticated propulsion systems to meet the needs of modern navigation. There are four primary types of propulsion systems that are widely used in commercial and military vessels today: diesel systems, electric systems, stea......
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