Gwongworo ala siri ike na-akwalite arụmọrụ nke igwe dum.
Nhazi nhazi Streamlined, mara mma, ike na ejiji.
Mgbe ihe karịrị afọ 20 nke nkwenye ahịa, ojiji nke nhụta ibu na igwe-pump jikọtara teknụzụ hydraulic system, na-emezi arụmọrụ arụmọrụ ma na-ebelata ike ike nke igwe dum.
Mmepe nkwonkwo na onye na-emepụta engine, nke na-eme ka ike igwe dum rụọ ọrụ nke ọma.
Mee ogologo ebe niile maka nchekwa nchekwa, nke a pụrụ ịdabere na ya na nke na-adịgide adịgide na ndabere nke ịgba mbọ hụ na ikuku ikuku dị.