Ubwino:
Kukula kochepa komanso kukonza kosavuta;
Kulemera kopepuka komanso kuyika kosavuta;
Mkulu wamakina mphamvu, osati zosavuta kuswa;
Kuchita bwino kwa seismic ndi kukana kwabwino kwa kuipitsa;
Kuthamanga kwachangu kupanga komanso kukhazikika kwapamwamba.
Nthawi yotumiza: Apr-20-2022