Time: 02:32cr - energetics - boiler - biomass - stone
Time: 00:49cr - house - security - sensor - boiler
Time: 00:50CR - technology - computers - server - cooling
Time: 03:17CR - industry - ironworks - steel melting - machining
Time: 01:44CR - Prague - National Theater - technology - photovoltaic panels - engine room - heating
Time: 03:49CR - energetics - biogas plant - electricity production
Time: 03:08CR - education - waste - children - sorting
Time: 05:52cr - industry - paper mill - production - toilet paper