Kupondaponda kumagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana azachuma chadziko.Mwachitsanzo, masitampu processing likupezeka muzamlengalenga, ndege, asilikali, makina, ulimi makina, zamagetsi, zambiri, njanji, nsanamira ndi telecommunications, mayendedwe, mankhwala, m...
Werengani zambiri