gal tendencingai, bet: http://acoustic.rockwool-marine.com/graphics/RW-LT/LT/gfx/solutions/articles/SIA2001-7-8b.pdf "Signalizacija" <signalizacija.master@gmail.com> wrote in message news:i5qqur$t09$1@trimpas.omnitel.net... > Nu papasakok kaip is principo gali skirtis stiklo ir sakykim akmens vandens > igeriamumas? >