YYP135 Falling Dart Impact Tester inoshanda mumhedzisiro uye kuyerwa kwesimba kwedat rinodonha kubva kune imwe urefu uchipesana nemafirimu epurasitiki nemashiti ane ukobvu isingasviki 1mm, izvo zvinozoguma ne50% yakaedzwa sampuli kukundikana.
