Summary
Volleyball is a kind of Inflatable Ball used in team sports in which two teams of six players are separated by a net. The standard volleyball is made of leather or synthetic leather, weighs between 9 and 10 ounces and has a circumference of 25.6 to 26.4 inches. The ball has a rubber bladder and can be one color or a combination ...

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Vending machine is a machine that dispenses goods such as snacks, beverages, alcohol, cigarettes, tickets to customers automatically, after the customer inserts currency or credit into the machine.Today, modern vending machine is the contactless payment-enabled vending machines that support both online payment and site payment. ...

Summary
A truck bed liner provides ulitimate protection for pickup truck bed. Since it is bonded directly to the metal, surface rust will not be present. Truck bed liner material using the latest technology in polyurethanes gives extreme durability, massive elongation properties, and high UV stability.
This report describes the de...

Summary
Tire changers are machine used to help tire technicians dismount and mount tires with automobile wheels. After the wheel and tire assembly are removed from the automobile, the tire changer has all the components necessary to remove and replace the tire from the wheel. Different tire changers allow technicians to replace tires on...

Summary
Uninterrupted Power Supply (UPS) is an electrical System that provides emergency power to a load when the input power source fails. Uninterrupted Power Supply (UPS) converts incoming AC to DC through a rectifier, and converts it back with an inverter. Uninterrupted Power Supply (UPS) differs from an auxiliary or emergency power ...

Summary
Sucker rod is the common equipment in the oil extraction. It is manufactured through many processes including the testing, straightening and forging. The sucker rod is placed between the polished rod and oil well pump. To deliver power. Sucker rod is manufactured from high quality carbon steel and alloy steel, which is conform t...

Summary
The electron microscope is a type of microscope that uses a beam of electrons to create an image of the specimen. It is capable of much higher magnifications and has a greater resolving power than a light microscope, allowing it to see much smaller objects in finer detail. They are large, expensive pieces of equipment, generally...

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An evaporative air Coolers (also swamp cooler, desert cooler and wet air cooler) is a device that cools air through the evaporation of water, which can cool air using much less energy than refrigeration. Evaporative cooling differs from typical air conditioning systems which use vapor-compression or absorption refrigeration cycl...

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Zinc oxide, with its unique physical and chemical properties, such as high chemical stability, high electrochemical coupling coefficient, broad range of radiation absorption and high photostability, is a multifunctional material. With the excellent properties, zinc oxide plays an important role in a very wide range of applicatio...

Summary
A circular saw is one of the most common power tools in use today. With the appropriate blade, circular saws are capable of cutting wood, steel, masonry and ceramic tile.Corded circular saws don’t depend on batteries for power and are better suited for tough cutting jobs like masonry, steel and continuous woodcutting.