Igikorwa cyo kwishyiriraho ikadiri

.→ Shyira ikirenge (cyangwa ikadiri ibangikanye) hanyuma ushyiremo intoki ya barge → Shyiramo urugi rwambere → Shyira ukuboko gufunga.

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.Noneho shyiramo umusaraba hanyuma ufunge gufunga kugirango umenye neza ikadiri yashizweho.

(4) Kora gantry ikurikiraho ikurikiranye;Shyiramo imikufi yo gufunga no gufunga kuri buri kintu cya gantry, hanyuma ushireho umusingi hamwe n imisumari kugirango wirinde kunyerera.

. ni ihamye.

(6) Shyira amaboko yo gufunga ku ntebe yo gufunga ku mpera yo hejuru ya gantry ukurikiranye.Icyerekezo cyamaboko yo gufunga kigomba kumera kuburyo urundi ruhande rugomba kuba rwerekeje hejuru, rwunamye kimwe, kandi ntiruhuze kugirango wirinde kudashobora gushyirwaho mugihe uhujwe na gantry yabanjirije.

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