<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Umklamo weClass 156 wawungokwesiko kakhulu kunomklamo wangaphambilini weClass 151 kaMetro Cammell.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Ukwakhiwa kweClass 156 kwakugcineke kakhulu kunomklamo wangaphambilini weClass 151 kaMetro Cammell, umzimba womzimba wenziwe ngensimbi esikhundleni se-Aluminium, futhi ukwakheka kwekhabethe kwakufana ngamabomu ne-BREL Class 150 ukuze kube lula ukwamukelwa inyunyana. 