The apparatus further includes a source of octenol provided in the housing, and a device for introducing and mixing {HEAD ~ the octenol} with {TAIL ~ the carbon dioxide} within the housing 
with
The apparatus further includes a source of octenol provided in the housing , and a device for introducing and mixing { HEAD ~ the octenol } with { TAIL ~ the carbon dioxide } within the housing
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH