Uburinzi bubiri bwo kwirinda ubujura mu isanduku y'amabaruwa. Imashini nini yo kurwanya ubujura irushaho gushimangirwa n'inkoni zo gushyigikira hydraulic n'ibice biyirinda ubujura, bigamije kurinda umutekano w'amapaki yawe igihe icyo ari cyo cyose n'aho ari ho hose.
Icyuma gikozwe mu cyuma gitwikiriwe n'icyuma kidashonga. Agace kadapfa amazi n'igishushanyo mbonera cy'umusozi wo hejuru bigumane amapaki yawe yumye kandi asukuye.
Yagenewe by'umwihariko abantu bo hanze, agasanduku ko kohereza amapaki ka santimetero 15.2x20x30.3 ku bantu bo hanze ni igisubizo cyiza cyo gucunga amapaki, gitanga uburinzi bw'amaposita n'amapaki yawe y'ingenzi umwaka wose. Hamwe n'umutekano uhanitse kandi wubatswe neza, kazaba ari ko gashinzwe kurinda amapaki neza.