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Analysis of the three major applications of alarm valves in buildings
Application of Alarm Valves in Buildings
Valves are widely used in industrial and residential applications, including commercial and industrial buildings. Alarm valves are an important tool in maintaining the safety and efficiency of a building, as they can detect and respond to a wide variety of......
1043 
Oliver
Principle and introduction of screw type oil-free dry mechanical vacuum pump
Screw Vacuum Pumps: Principles and Introduction
Screw vacuum pumps are an efficient and reliable form of vacuum pump technology used in many industrial and scientific applications. In this article, an overview of this technology, its principles, and applications is presented.
A screw vacuum pump......
Special Processing: Ultrasonic Processing
Ultrasonic machining gained its place among hundreds of techniques used in the fabrication industry from its speed, versatility, and precision. This type of machining has been used in many areas and industries, including aerospace, automotive, medical and audio.
The ultrasonic machining process b......
Three Disciplines and Eight Points of Attention in Selecting and Using Antifreeze
The Three Disciplines and Eight Notices for the Selection and Use of Anti-freezing Fluids
Anti-freezing fluids are widely used in industrial, commercial and agricultural industries to extend the duration of liquid frozen to prevent component failure and improve operating efficiency. This article ......
Disassembly-free maintenance of automatic transmission
Maintenance of Automatics Gearboxes Without Dismantling
Automatics gearboxes offer a safe and easy method of controlling a vehicle’s power distribution. When a vehicle is running on manual control, the driver is responsible for selecting the right gear, and shifting gears consistently. In the cas......
Problems and countermeasures in the use of cutting fluid
Overview
Chips, machining fluids, and other debris created while machining metals and other materials cause problems in machining operations. Clogged and corroded fluid passageways create erratic fluid spraying and improper lubrication, leading to increased carbide wear, poor surface finishes, poo......
How to Repair a Tank
How to Repair a Water Tank
Water tanks are a necessary part of any home, providing clean drinking water and allowing for sanitation during times of shortage. Most tanks last for years, but like any other appliance, they can wear out or break. When that happens, the tank needs to be repaired. Here......
Tunnel kiln masonry
Tunnel Boring
Tunnel boring is the construction of tunnels under the surface of the earth by digging or drilling. It is a process that has been used for centuries, and has been refined to become one of the most important techniques for constructing underground infrastructure, such as sewer system......
fill foundation
Landfills have been a common form of waste disposal since the 1940s. They are an important part of our waste management infrastructure, particularly in areas without access to modern waste treatment technologies. While landfills are generally cost-effective and relatively safe for disposal of non-......
GB 10546-89 Liquefied Petroleum Gas (LPG) Rubber Hose
Introduction
Liquefied petroleum gas (LPG) rubber hose is made with a special three-layer composite structure which includes a layer of protective gas hosing supporting a rubber inner tube and synthetic rubber outer tube combine a complicated process of nitrile-butadiene rubber production. It is ......
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