Ziwonetsero Zathu Zochita Zathu Zida Zoyezera Zolondola Kwambiri Bokosi loyesera la kuyaka Comprehensive Strength Test Bench Creep wear tester Electronic Analysis Scale Foam resilience tester Load Durability Testing Machine Kuzama kwa maikulosikopu yosungunuka Metallographic kudula makina Metallographic inlaying makina Metallographic kupukuta makina Salt spray tester shock absorber kutopa mayeso benchi SIP tester Universal Material Experiment Tester