There are numerous occupational hazards associated with mining, including exposure to rockdust which can lead to diseases such as silicosis, asbestosis, and pneumoconiosis. Gases in the mine can lead to asphyxiation and could also be ignited. Mining equipment can generate considerable noise, putting workers at risk for hearing loss.http://www.zlocomotive.com/mining-equipment/
The first large-scale SCR was installed by the IHI Corporation in 1978. Commercial exhaust gas SCR systems are typically found on large utility boilers,http://www.sunruimarketing.com..../marine-environmenta
Charcoal barbecue grills use either charcoal briquettes or natural lump charcoal as their fuel source.http://www.ouyalibbq.com/charcoal-barbecue-grill/
Heat pump water heaters use electricity to move heat from one place to another instead of generating heat directly.http://www.outesgroup.com/heat-pump-water-heaters/
An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) is an electronic device that measures the proportion of oxygen (O2) in the gas or liquid being analysed. http://www.keditesensor.com/oxygen-sensor/
