I-flange iringi yentsimbi (yenziwa, inqunyulwe kwiplate, okanye iqengqele) eyenzelwe ukudibanisa amacandelo ombhobho, okanye i-vape, impondo ebalulekileyo.
Umbhobho wombhobho we-Wotld ye-WOLD yenzelwe ukuba ibe yi-Wels kwisiphelo se-(s) yokuqhagamshela umbhobho (s) kunye kwaye ivumela utshintsho kwicala okanye isebe okanye lisebe.