YYP135 Falling Dart Tester Impact Tester yana aiki a cikin sakamakon tasiri da auna kuzari na faɗuwar daftar daga wani tsayi akan fina-finan filastik da zanen gado waɗanda kaurinsu bai wuce 1mm ba, wanda zai haifar da gazawar samfurin da aka gwada da kashi 50%.
