Official Answer
Answer
Maɓuɓɓugan ruwan igiyar ruwa suna buƙatar daidaitattun shimfidar juna don tabbatar da ko da rarraba kaya a duk faɗin igiyoyin igiyar ruwa. Idan an karkatar da saman da kusurwar $ heta$, nauyin $P$ ya zama abin ban mamaki, yana haifar da wasu raƙuman ruwa don matsawa fiye da wasu. Wannan yana haifar da matsananciyar matsananciyar damuwa, inda $S_{local} = S_{calc} imes (1 + _x000c_rac{e}{k})$ inda $e$ ke da girman kai. Sakamakon gazawar gajiya da wuri da taron 'cocked' wanda zai iya haifar da rashin daidaituwa a kan hatimi ko bearings. A cikin madaidaicin na'urorin gani ko kayan jujjuyawa mai tsayi, filayen mating ya kamata su kasance ƙasa zuwa daidaito tsakanin $0.001$ inch kowace inch na diamita.
