kuramba icupa

Ibicuruzwa byinshi by'ibirahure byiza byacukuwe mu turere two mu burengerazuba bw'Ubushinwa bwa kera, guhera mu myaka 2000, kandi ibicuruzwa by'ibirahure bya kera cyane ku isi bimaze imyaka 4000. Abacukuzi b'ivya kera bavuga ko icupa ry'ikirahure ari ibihangano bibitswe neza ku isi, kandi ntibishobora kwangirika ku buryo bworoshye. Abashinzwe imiti bavuga ko ikirahure ari mushiki wimpanga wumucanga, kandi mugihe cyose umucanga uba kwisi, ikirahuri kiri kwisi.
Ntakibazo gishobora kwangiriza icupa ryikirahure, ntabwo bivuze ko icupa ryikirahure ridashobora kuneshwa muri kamere. Nubwo idashobora kurimburwa muburyo bwa shimi, irashobora "kurimburwa" kumubiri. Umuyaga n'amazi ya kamere ni abanzi bayo bakomeye.
I Fort Bragg, muri Californiya, muri Amerika, hari inyanja y'amabara. Iyo winjiye, urashobora kubona ko igizwe nudupira twinshi twamabara. Iyi pellet ntabwo ari amabuye muri kamere, ahubwo amacupa yikirahure abantu bajugunya. Mu myaka ya za 1950, yakoreshejwe nk'uruganda rwo guta imyanda amacupa y’ibirahure yajugunywe, hanyuma uruganda rujugunywa rufunga, hasigara amacupa y’ibirahure ibihumbi icumi asigara inyuma, nyuma yimyaka 60, basukuwe n’amazi yo mu nyanja yo mu nyanja ya pasifika. yoroshye kandi izengurutse.

Abahanga bavuga ko muyindi myaka 100 cyangwa irenga, ikirahuri cyumucanga cyikirahure kizacika. Kubera ko amazi yo mu nyanja n'umuyaga wo mu nyanja bisiga hejuru yikirahure, uko igihe kigenda gihita, ikirahure gikurwaho mu buryo bw’ibice, hanyuma bikazanwa mu nyanja n’amazi yo mu nyanja, amaherezo bikarohama mu nyanja.
Inyanja itangaje ntabwo ituzanira ibinezeza gusa, ahubwo binayobora gutekereza kuburyo bwo gutunganya ibicuruzwa byikirahure.
Kugirango twirinde imyanda y'ibirahure kwanduza ibidukikije, muri rusange dufata uburyo bwo gutunganya ibintu. Kimwe nicyuma gisubirwamo ibyuma, ikirahuri cyongeye gukoreshwa gisubizwa mu itanura kugirango cyongere gushonga. Kubera ko ikirahure kivanze kandi kidafite aho gishonga gihamye, itanura ryashyizwe mubushyuhe butandukanye, kandi buri gice kizashonga ikirahuri cyibintu bitandukanye hanyuma ubitandukanye. Mu nzira, umwanda udashaka urashobora kandi gukurwaho wongeyeho indi miti.
Gutunganya ibicuruzwa by'ibirahure mu gihugu cyanjye byatangiye bitinze, kandi igipimo cyo gukoresha kiri hafi 13%, gikiri inyuma y'ibihugu byateye imbere mu Burayi no muri Amerika. Inganda zijyanye n’ibihugu byavuzwe haruguru zimaze gukura, kandi ikoranabuhanga n’ibicuruzwa bitunganyirizwa mu mahanga birakwiye kwifashishwa no kwigira mu gihugu cyanjye.