Zingwe zathu zojambulira ma EV zimapangidwa mokhazikika kuti zikhale zodalirika, zimagwirizana ndi EU RoHs ndipo ndi zovomerezeka za CE ndi TUV.Zinthuzo ndi TPU, yomwe imayendetsa m'mimba mwake yakunja ndikusunga chingwe chofewa chikapindika, komanso chimagonjetsedwa ndi abrasion, mafuta, ozoni, ukalamba, ma radiation ndi kutentha kochepa, kuonetsetsa kuti mankhwalawa angagwiritsidwe ntchito m'madera osiyanasiyana ndipo ali zabwino zonse.