1. Kugenzura Bolt
Nyuma yo gutwara ibinyabiziga bimaze gukoreshwa, bolts igomba kugenzurwa buri mwaka. Nyuma yamasaha 100 yambere yo gukoresha, re - komeza Bolt kumurongo wagenwe. Mubikorwa bidasanzwe, ubugenzuzi burashobora gukorwa gake. Niba ibibyimba bidahwitse byamenyekanye, ibisumizi byose, koza, nimbuto bigomba gusimburwa ako kanya.
2. Amavuta
Mubice byo gutwara ibinyabiziga, inzira nyabagendwa hamwe nudupapuro twa roller twikaraga ni pre - yasizwe amavuta muruganda. Ahantu ho guhurira hagati yinyo no gufata ibyatsi bisaba amavuta mbere yo kuyakoresha. Nubwo pre - yasizwe amavuta muruganda, re - amavuta agomba kugenwa mugihe cyo kuyirinda kugirango yirinde kugira ingaruka kumikorere yimashini.
