Esikuphishekelayo kwaphakade isimo sengqondo "sokubheka imakethe, bheka isiko, bheka isayensi" kanye nethiyori "yekhwalithi eyisisekelo, qiniseka okokuqala futhi uphathe okuthuthukile" kwe-Metal Gasket,
I-Gptfe Filament Packing,
Umshini Wokupakisha,
I-Asbestos Millboard, Ubungeke ube nenkinga yokuxhumana nathi.Samukela ngobuqotho amathemba emhlabeni wonke ukuthi asibize ukuze sibambisane namabhizinisi.