Gupakira no Gutanga
Ibikoresho byo kugurisha: Ikintu kimwe
Ingano y'ipaki imwe: 123X24X17 cm
Uburemere bumwe: 13.800 kg Ubwoko bw'ipake: Agasanduku k'amabaruwa Igihe cyo kwiyandikisha:

Intangiriro ku mupira w'ibitego
Mu mpera z'ikinyejana cya 19, habaye umukino w'umupira w'amaguru mu Bwongereza. Nyuma y'uko ikipe y'abateraga itera imbere vuba ikarasa, abakinnyi baranezerewe maze umusifuzi avuga ko igitego ari cyo cyemewe. Ariko abakinnyi barinze bakikije umusifuzi barataka bavuga ko umupira wavuye mu izamu kandi ko udakwiye guhabwa igitego. Ese umupira winjiye mu irembo? Byagaragaye ko mu mikino y'umupira w'amaguru icyo gihe nta rushundura rwari inyuma y'izamu, kandi igitego cyarashwe. Muri rusange umupira wihuta kandi wihuta, kandi biragoye kumenya niba winjiye mu izamu. Igihe abakinnyi ku mpande zombi bajyaga impaka kandi umusifuzi atashoboraga gusobanura neza, nyiri uruganda rw'ibikoresho byo kuroba witwa yirukanye mu kibuga. Yari afite urushundura mu ntoki ze. Muri ubu buryo, umupira watewe uzafatwa mu rushundura rwo kuroba, kandi nta mpaka zizabaho niba igitego cyaratsinzwe cyangwa kitaratsinzwe. Icyifuzo cye cyemejwe n'abakinnyi n'abasifuzi, maze impande zombi zihita zimanika imitego yazo yo kuroba zikomeza umukino. Muri ubu buryo, n'abari aho bashobora kubona niba igitego cyatsinzwe cyangwa kitatsinzwe. Ubu buryo bukemura ikibazo gikomeye kitoroshye kumenya niba igitego gitsinzwe cyangwa kitatsinzwe mu mikino y'umupira w'amaguru. Mu 1891, ishyirahamwe ry'umupira w'amaguru mu Bwongereza ryemeye ku mugaragaro intego yo kumanika urushundura, kandi iracyakoreshwa na n'ubu.