Testing of Glass on Vandal Resistance Two Workers in Workwear Are Prepering For Beating, Strike Blows With Battering Ram Hanging on the Chain, Bulletproof Glass, Glass is Not Broken, Crackles on the Glass, Workshop Manufacturing of Glass For Glazed Windows of the the Ordinary Tempered Glass and Bulletproof Glass, Workers Men Are Working in the Workshop, Indoors, Glass Factory, Plant, Ukraine