Test method, 9.8.2 Place the sample on the nipples of steel plate placed on the ground. Mass emissions at altitude 100 millimeters, the sound of falling rock, effects boxes, for example, to examine tits shake, voice box.
9.8.2 Test Method nipple placed onto a steel sample is placed on a flat surface. Weight released at an altitude of 100 millimeters. The impact of camera shake to the sound samples nipple. Checked the box to give voice shaking.
9.8.2 test method for drop nipples samples onto the steel plates placed on the flat. Let the pendulum at an altitude of 100 mm. Impact sound box to shake of the nipple for example. Then inspect sound box