{HEAD ~ Removal methods} include {TAIL ~ heating} and rectification, absorption using a water absorbent, or a combination of these methods 
include
{ HEAD ~ Removal methods } include { TAIL ~ heating } and rectification , absorption using a water absorbent , or a combination of these methods
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH