төмрийн хүдэр болон зэсийн хүдэр бутлах machieries
Tanzania Ports Authority (TPA) is a parastatal public corporation acting under the aegis of the Ministry of Infrastructure Development that has the responsibility "to manage and operate" the ocean ports and lake ports of the country of Tanzania.. төмрийн хүдэр боловсруулах үе шатууд болон ашигласан ...