燒設備與自然通風煙囪在節省能源與安全性方面的目標是相反的。 Recent Gas Patents. Gas Age-Record. June 23, 1923 [2022-05-13]. Treloar, R.D. Gas Installation Technology. Blackwell Publishing
Geological Survey, 1986. "Electrical Conductivity : Models of the Crust and Mantle(页面存档备份,存于互联网档案馆)". [PDF] MTNet(页面存档备份,存于互联网档案馆), Scientists engaged in the