Ke kopa tšoarelo bakeng sa phoso eo ke e arabelang. WS-3, e tsejoa hape e le N-Ethyl-P-Menthane-3-Carboxamide, ke moemeli e mong ea pholileng oa ho pholile, hammoho le lihlahisoa tsa tlhokomelo ea motho. Mesebetsi e metle ea WS-3: Lijo le lino, hangata li sebelisoa e le moemeli ea pholileng lijong le lihlahisoa tse fapaneng. E fana ka maikutlo a pholileng le a khathollang ntle le tatso e 'ngoe le e' ngoe kapa ea mennong. E sebelisoa lihlahisoa tse kang limelo, lino tse tahang, li fepa lintho tse ngata tsa maikutlo. E thusa ho theha maikutlo a khathollang mme a thusa ho utloisisa bocha nakong ea mme kamora ho sebelisa lihlahisoa tsena tsa bona. Tšusumetso ea eona e pholileng e ka fana ka maikutlo a khathollang le a khathollang ho letlalo: WS-3 ka linako tse ling e hloka phello ea ho futhumatsa. Mohlala, e kanna ea sebelisoa ho analges kapa mesifa ea mesifa ea ho theha maikutlo a futhumetseng letlalong.