Crankshafts e nehenehe e itehia i roto i te mau vahi huru rau no te mau mauhaa e te mau materia, no roto mai i te mau matini niraraa i te ahu e te sharpeners penitara i puai hiohio engines. I roto i te hoe matini, haereraa i mua tahua tuinoraa e roimata i nia i te huru maitai i te nehenehe e faatupu i te straightness longitudinal o te crankshaft i te taui i te taime. This process is called “deflection.” It may not be visible to the naked… A taio i te tahi atu a »