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Hollow steel for rock drilling needle rods (GB/T1301-1994)
Introduction
Rock drills, also called pneumatic drills, are a type of machinery used to drill into rock or hard surfaces. Rock drills are powered by compressed air and contain a hollow steel tube that is inserted into a rock or hard surface to create a hole. These drills are commonly used in the ......
1053 
Erin
50B use
Intel Core i5-2500K Processor
The Intel Core i5-2500K is a powerful processor for todays computing-intensive applications. This processor is the latest in Intels line of high-performance K-Series processors, offering the best of Intels performance-enhancing technologies, including Turbo Boost an......
Construction machinery commonly used in molds
Mould is an important part of manufacturing industry. It is widely used in the manufacturing of all kinds of products. In the process of mould making, a lot of precision mechanical equipment is need to be used to ensure the accuracy and impeccability of the mould. In this article, we are going to ......
Layer Mining Technology
Layer Mining Technology
Mining has been a valuable way of obtaining resources since the development of civilization. The method of extracting minerals from the ore has undergone many developments since its initial days of digging ore with simple tools.
In recent years, there has been a lot of fo......
tailings dam
Tailings dams are structures built to contain the waste created by mining operations. Tailings dams are typically constructed by mining companies to hold the by-products of mining ore, such as sand, rock, gravel, and metals. These by-products are referred to as “tailings”, and can be both hazard......
Surface Mining Realm
Open-pit mining, also known as open-cast mining, surface mining, and strip mining, involves the removal of surface layers of soil and rock in order to reach mineral deposits located below. The mining process often involves blasting large amounts of material and then extracting the ore by digging a......
Power supply for shaft construction
Electrical Works in Narrow Street Construction
Narrow street construction is a tricky business that requires extra attention from the contractors. Electrical works undertaken in such projects require special and careful considerations to guarantee safe, efficient and accurate results. First and f......
Well construction drainage
Constructing a drainage in an alley
Constructing a drainage in an alley presents a unique set of challenges. In order to successfully build a drainage system, several factors must be taken into consideration.
The first item that needs to be addressed when constructing a drainage system in an alle......
tunneling
Tunnel Boring Machine
The tunnel boring machine (TBM) is a machine used in civil engineering and mining that artificially excavates a tunnel. It is made up of a rotating cutting wheel mounted on a main frame and is used to excavate a tunnel by boring through soil, rock or other obstructions. The c......
Installation of blast furnace slag treatment equipment
Installation of Blast Furnace Slag Processing Equipment
Blast furnace slag (BFS) is a by-product of the iron and steel smelting process. To make use of the BFS and reduce environmental footprint, it is necessary to install specific slag processing equipment. Herein, the following content provides......
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