Tuzasobanura byimazeyo ibyiza nibibi bya buri kintu nibisabwa muburyo butatu: ikiguzi, ubushobozi bwo kwikorera imitwaro, no kugaragara.Ibiciro birimo ibiciro bishya byiterambere ryibicuruzwa nibiciro byibicuruzwa.

Formost yashinzwe mumwaka wa 1992. Dufite uburambe bwimyaka irenga 32 mugushushanya no gukora ubwoko butandukanye bwibyuma

Kugurisha ibicuruzwa byerekana ibicuruzwa bigira uruhare runini mugushiraho uburambe bwo guhaha. Ibitekerezo byateguwe neza bidukikije bikurura abakiriya kubitekerezo byububiko bwububiko no gutegura igorofa. Abacuruzi bakoresha imiterere kugirango bayobore imyitwarire yabaguzi, bahindure ibicuruzwa, hamwe nubukorikori butumira ikirere.

First & Main yashinzwe mu 1994. Ni isosiyete izobereye mu kugurisha ibipupe. Twakoranye nabo imyaka irenga icumi. Noneho barashaka gukora ibizunguruka byerekana igipupe cyamazi.

Mwisi yisi aho ibyerekanwa byose bigurishwa mububiko bisa nkibyuzuye, guhagarara ni urufunguzo.

Guhinduranya kwerekana kwerekana ni ugutanga serivisi zerekana ibicuruzwa, uruhare rwambere ni ukugira inkunga no kurinda, byanze bikunze, byiza ni ngombwa. Hamwe niterambere ridahwema kwerekana inganda zerekana, igihagararo cyerekanwe gifite ibikoresho byubwenge, ibyerekezo byinshi byuzuza urumuri, ibyerekezo bitatu byerekana, kuzenguruka dogere 360, kwerekana impande zose zerekana ibicuruzwa nibindi bikorwa, icyerekezo cyo kuzenguruka cyinjiye kuba.