For instance, {HEAD ~ the powder or powder blend} may include {TAIL ~ a water swellable powder} for blocking the migration of water along the assembly for effectively blocking the migration of water 
include
For instance , { HEAD ~ the powder or powder blend } may include { TAIL ~ a water swellable powder } for blocking the migration of water along the assembly for effectively blocking the migration of water
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH