Uhlu Lokuphakathi: I-Evolution of Injection Invaliding Machines 2. Ukuqonda Toggle Type Injection Imishini 3. Izinzuzo Zokujova Kohlobo Lwe-Toggle Imishini yokubumba 4. Izicelo Zokusebenza Kwemitshini Yokukhiqiza Uhlobo Lwe-Toggle Injection Imishini Ekukhiqizeni Kwasekhaya 5. Ukuthuthukisa Ukusebenza Kwezinhlobo Zokuthola Imishini yokunqoba imijovo 6. Ukunqoba Izinselelo ekukhiqizeni Kwamakhaya