It particularly relates to {HEAD ~ electrolytic cells} suitable for {TAIL ~ the electrolysis} of aqueous solutions of alkali metal halides 
It particularly relates to { HEAD ~ electrolytic cells } suitable for { TAIL ~ the electrolysis } of aqueous solutions of alkali metal halides
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH