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...g engineering]] for calculations relating to the temperature regulation of mine air. Sigma heat is sometimes called ''total heat'',<ref name="HU glossary"/ | title = MIN-03018 Mine Environmental Engineering course guide ...

...0s this design was developed further to become the DCSC, also intended for mine countermeasures. The result is the addition of a mass of gas proportional to ventilation volume. ...

...s can be used outside for added cooling. Additionally, increasing building ventilation and improving the insulation of hot surfaces will reduce indoor temperature The [[Mine Safety and Health Administration]] provides guidelines and recommendations ...

It may be possible to mine the moon for carbon and combine it with other elements to produce ionic flu [[Category:Heating, ventilation, and air conditioning]] ...

===Mine-shaft elevators=== Safety testing of [[shaft mining|mine shaft]] elevator rails is routinely undertaken. The method involves destruc ...

...lemented in the buildings: New buildings, sealing of cellar floors, forced ventilation of cellars or relocation. Queries in the [[Austrian Health Information Syst ...dred meters below the earth's surface. This involves building a repository mine and storing the waste there. It is then permanently sealed. Geological and ...