vibro-acoustics vibroakustika 5 [vynechat] hluk 4 [vynechat] noise 4 [vynechat] acoustics 2 [vynechat] akustika 2 [vynechat] materials engineering 2 [vynechat] materiálové inžinierstvo 2 [vynechat] acoustic waves 1 [vynechat] akustické vlny 1 [vynechat] environmental health 1 [vynechat] environmentálna hygiena 1 [vynechat] kmitanie 1 [vynechat] kmity 1 [vynechat] meranie hluku 1 [vynechat] noise measurement 1 [vynechat] oscillation 1 [vynechat] oscillations 1 [vynechat] pipe 1 [vynechat] potrubia 1 [vynechat] protection against noise 1 [vynechat] protihlukové opatrenia 1 [vynechat]