1.Ibicuruzwa bishya byazamuwe bya QT457, hamwe n’ibisohoka 42000Nm byiyongereyeho 5% ugereranije na QT 457;
2.Gukoresha ibyuma bidasanzwe byamazu kugirango ubone ubushobozi bwo gupakira no kwizerwa cyane, no kumenya uburemere bworoshye;
3.Kwemeza igishushanyo mbonera cyibikoresho kugirango utezimbere ubuzima bwuzuye, uhindure imiterere yabatwara imitambiko yo hagati, kandi utezimbere amavuta;
4.Bikoreshwa ku binyabiziga bigoye byumuhanda, bishobora kuba bifite ibyuma bitandukanya ibiziga bitandukanye hamwe nibikoresho bisiga amavuta kugirango bizere kwizerwa rya axe yose;
5.Kwemeza ibikoresho bidafite aho bihurira no kubona hub itagira kubungabunga ibirometero 500.000;
6.Amavuta yo guhana ibirometero 100.000, ashobora kuzigama amafaranga yo kubungabunga.