Lisebelisoa tse tšoarellang ke boitlamo ba rona bakeng sa ts'ireletso ea tikoloho le phokotso ea moea oa Co2, re shebana le ntlafatso e tsoelang pele bakeng sa tlhahiso ea helmete ka lisebelisoa tse ka sebelisoang hape le lisebelisoa tsa manyolo, hajoale, re matlafalitse sepheo sa nts'etsopele ea lisebelisoa tse tšoarellang tse kenyang likarolo tsohle tsa helmete. , EPS e sebelisitsoeng bocha, masela a Bamboo, marapo a sebelisitsoeng bocha, poone ea poone kapa pampiri e pakiloeng hape) le ho e sebelisa bakeng sa mekhahlelo e mengata ea lihelmet (libaesekele, thaba, ski, motocycle, E-baesekele le lihelmet tsa litoropong). Re tla phehella ntlafatsong ea thepa e ncha e fumanehang bakeng sa helmete ho fihlela litlhoko tsa mmaraka oa helmete le tikoloho e mosa. Ntle le moo, re thusa moreki ho utloisisa molemo oa thepa e tšoarellang le ho e ntšetsa pele bakeng sa helmete.