1, gushushanya ubwiza bwimodoka - firime;
Filime nigitekerezo cya mbere kubantu benshi bafite imodoka nshyashya imitako yubwiza, firime irashobora gutandukanya urumuri ultraviolet, urumuri rwizuba ntiruzerekeza mumodoka, ubuzima bwite nibyiza. Birasabwa ko ba nyirubwite bashya bahitamo icyuma giturika. Filime idashobora guturika ifite icyerekezo gikomeye, uko ibara ryaba rimeze kose, birasobanutse neza kuva mumodoka kugera hanze, kandi birashobora gukomeza kugira ingaruka nziza nijoro no muminsi yimvura. Guhitamo firime idashobora guturika bigomba gutekereza ku ngaruka zisobanutse, gukorera mu mucyo no gukumira;
Mubyongeyeho, firime yimodoka yimodoka, cyane cyane firime yimbere yimbere kumpande zombi zidirishya, igomba guhitamo ihererekanyabubasha rirenga 85% birakwiriye, bityo firime yidirishya ryuruhande ntirukeneye gucukura umwobo kandi ntabwo bigira ingaruka kumurongo yo kubona, gutwara nijoro ugana inyuma yimodoka yimurika irabagirana kumirorerwamo yinyuma yumucyo utangaje urumuri rugaragara rwacogoye, kuburyo amaso aba meza cyane. Ni ngombwa guhitamo icyiza, kandi ni ngombwa guhitamo ububiko bwiza. Tekinoroji nibintu byoroshye kandi bigoye bya firime birasaba cyane. Kurugero, ibidukikije bitagira ivumbi, ibikoresho bidasanzwe, inzira isanzwe ikora hamwe nubuhanga buhanga, nibindi, rero, film ntigomba guhitamo iduka ryumuhanda.
2, gushushanya ubwiza bwimodoka - igikoresho cyo kurwanya ubujura;
Umutekano wimodoka nicyo uhangayikishijwe cyane, nuko benshi mubafite ibicuruzwa birwanya ubujura bazahitamo kuba bafite ibikoresho, bafite ibikoresho bya elegitoroniki birwanya ubujura birashobora kugenzura kure umuryango, byoroshye kandi bifatika. Hitamo ibicuruzwa birwanya ubujura bigomba kwitondera niba binyuze mu igeragezwa ry’ishami bireba, niba byerekana inkomoko y'ibicuruzwa. Mubyongeyeho, kuri ubu, bamwe mubakora ibicuruzwa bagurisha moderi bashyizeho sisitemu yo kurwanya ubujura, ntabwo rero bakeneye gushyira ibicuruzwa birwanya ubujura.
