Ibisobanuro bigufi:

Amashanyarazi ya Yiwanfu-Perkins afite ibiranga ubunini buto, uburemere bworoheje, imikorere ihamye, gukoresha lisansi nkeya, hamwe n’ibyuka bihumanya ikirere muri iki gihe ni byo biri hasi cyane mu bakora inganda z’inganda zo mu gihugu. 2000kW (5-2600hp) isoko rya moteri ya mazutu na lisansi Mu masoko yinganda, ubwubatsi, ubuhinzi, inyanja, n’amashanyarazi, amasoko akomeye y’ibikoresho mpuzamahanga by’umwimerere yahisemo Perkins kugirango akoreshe ibikoresho byabo.