Malinga ndi National Mine Product Safety Mark Center, Zogulitsa zomwe zapeza chizindikiro chachitetezo zikuyenera kukonzedwanso pakatha nthawi yovomerezeka.
Kulephera kukonzanso satifiketi ya chinthu kumabweretsa kusavomerezeka kwake. Zotsatira zake, migodi yokhala ndi zizindikiro za chitetezo cha malasha zomwe zatha ntchito siziloledwa kugwiritsidwa ntchito.
Ndizoyeneranso kudziwa kuti chiphaso cha chitetezo cha malasha kaŵirikaŵiri amatanthauziridwa monga kutanthauzira maufulu opanga zinthu ndi kutalika kwa nthawi zoperekedwa kwa wopanga, m'malo monena za ufulu wogwiritsa ntchito wogwiritsa ntchito pambuyo pogula. (Kwa malamulo atsatanetsatane, m'pofunika kukaonana ndi Mechanical and Electrical Science Department.)