Search results for keyword: respiratory
Etheramine
Methamphetamine, sometimes referred to as meth or crystal meth, is a powerful stimulant drug that has become an increasingly common problem in the United States and many other countries. Methamphetamine is made by synthesizing ephedrine or pseudoephedrine, which is found in many over-the-counter p......
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coal mining
Coal Mining: The Dangerous Job on Earth
Coal mining is a dangerous job that requires very specialized skill sets and knowledge. It is a type of mining performed to expose and extract coal from the earth, typically found in underground or open-pit mines. The main goal of coal mining is to remove c......
mine air
Air Quality in Mines
Mines are hazardous environments not only because of the physical dangers and risks present, but also due to the quality of the air within them. Air quality in mines is significantly worse that the air outdoors due to a number of factors. Air pollution, both indoors and out, ......
China Coal Industry
Introduction
Coal is an extremely important energy source used to drive Chinas industrial production and economic prosperity. Mining and burning coal can be economical and convenient, but this reliance comes with a price—it damages Chinas environment. The continued growth of Chinas coal industry......
Roadway layout in mining area
Mine Planning, Layout, and Design
Introduction
Mine planning, layout, and design is an important part of the mining engineering and construction process, and is essential to the safe, efficient and cost effective mining of mineral deposits. This article provides a brief overview of the three stage......
Thorough ventilation of the factory
Ventilating Factories
Factory ventilation is a necessity for the health and safety of employees and the workspace. Every factory should strive to maintain a safe and healthy environment for employees to work in by properly ventilating the entire building. This article will discuss the importance o......
Sinter raw material receiving, storage and mixing facility design
The Design of Raw Materials Receiving, Storage and Blending Facilities for Sintering
Sintering is an agglomeration process used to create products from iron ore fines. Throughout this process, iron ore fines are blended with additives, charged onto sinter strand, and then ignited. The sinter stra......
Aluminum surface treatment workshop design
Design of A luminum Surface Treatment Workshop
Introduction
The surface treatment of aluminum is very important, as it can greatly improve its performance. Surface treatments is the removal of material from the surface of an object to prepare it for the application of a coating. By removing surf......
Metal beryllium workshop design
Design of Beryllium Metallurgy Workshop
Beryllium is a metal with special properties, used in the manufacture of many products. It is light, strong, and nonmagnetic, and excellent conductor of electricity and heat. These properties make it a suitable material for use in aerospace, automobiles and......
Polluted land foundation survey
Land Pollution Investigation
Land pollution is one of the most pervasive environmental issue facing humankind today. As one of the oldest environmental pollutants, land pollution has been present in some form since the earliest societies formed. This widespread problem affects all countries and c......
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