Iiyunithi ezimbini ze-130 horsepower bulldozers ezenzelwe abathengi baseNtshona Afrika ziye zathunyelwa ngempumelelo zisiya kumthengi, zaba yintengiso yokuqala kaShantui yeebulldozers zamandla aphantsi wamahashe kwimarike yaseNtshona Afrika kwiminyaka yakutshanje.