YYP135 Falling Dart Impact Tester imagwira ntchito pazotsatira ndi muyeso wa mphamvu ya muvi wakugwa kuchokera pamtunda wina motsutsana ndi makanema apulasitiki ndi ma sheet okhala ndi makulidwe osakwana 1mm, zomwe zingapangitse kuti 50% iyesedwe kulephera.
