butanes

butane butane air flame butane dehydrogenation butane diacid butane dicarboxylic acid butane engine fuel butane gasifying butane isomerizatoin process butane splitter butane tetracarboxylic acid butane vapor-phase isomerization butane-butene fraction

throw a cold blanket on throw a damp over throw a fit throw a flood of light on throw a glance at throw a lease throw a monkey wrench into throw a scare into sb throw a sop to Cerberus throw a spanner into the works