'If you smell the mercaptans that are deliberately added to this, get out of the house'
natural gas
IN AN EMERGENCY: If you smell the mercaptans that are deliberately added to this, get out of the house
If you smell the mercaptans that are deliberately added to this, get out of the house
If you smell the mercaptans that are deliberately added to this, get out of the house
IN AN EMERGENCY
natural gas
IN AN EMERGENCY