putty (put•ty)

1. a cement usually made of whiting and boiled linseed oil beaten, or kneaded, to the consistency of dough and used in fastening glass in sashes and stopping crevices in woodwork. 2. a mixture of red and white lead and boiled linseed oil used as a lute in pipe fitting. 

liquefied petroleum gases (liq•ue•fied pe•tro•le•um gas•es)

1. fuel gases, including commercial propane (predominately propane and/or propylene) or commercial butane (predominately butane, isobutane, and/or butylene). 2. liquefied petroleum gas supplied in cylinders and used without liquid vaporizers must be either commercial propane or butane as defined above in order to avoid major variations in heating value of the gas as it is […]