Zhengheng nthawi zonse amayika chilengedwe ndi chitetezo ndi thanzi lantchito pamalo oyamba, adakhazikitsa dongosolo lathunthu lazaumoyo ndi chitetezo pantchito, adapereka chiphaso cha ISO45001, ISO14001 system, fakitale ili ndi makina ochizira mchenga obwezeredwa, chitoliro chapakatikati cha ng'anjo yapakatikati. Njira yothandizira gasi, ndi makina owongolera mpweya wa VOCs.Tikumanga fakitale yobiriwira yokhala ndi malo osiyanasiyana oteteza zachilengedwe ndi zida kuti zitheke kupanga zokhazikika komanso zoyera.
