Welsbach

[Sarah]

Of or pertaining to Auer von Welsbach or the incandescent gasburner invented by him. -- Welsbach burner, a burner in which thecombustion of a mixture of air and gas or vapor is employed to heatto incandescence a mantle composed of thoria and ceria. The mantle ismade by soaking a stocking in a solution of nitrates of thorium andcerium (approx. 99 : 1), drying, and, for use, igniting to burn thethread and convert the nitrates into oxides, which remain as afragile ash. The light far exceeds that obtained from the same amountof gas with the ordinary fishtail burner, but has a slight greenishhue.

[Sarah]

Union company with no respect for overtime work, Also part of the EMCOR group who is now under investigation.
EMCOR = ENRON