heat technology 10 [vynechat] tepelná technika 7 [vynechat] furnaces 2 [vynechat] pece 2 [vynechat] refractories 2 [vynechat] tepelné technológie 2 [vynechat] vykurovacia technika 2 [vynechat] vykurovanie 2 [vynechat] žiaruvzdorné materiály 2 [vynechat] economic aspects 1 [vynechat] ekonomické aspekty 1 [vynechat] energetická náročnosť budov 1 [vynechat] energetické úspory 1 [vynechat] energy intensiveness of buildings 1 [vynechat] energy savings 1 [vynechat] environmental aspects 1 [vynechat] environmentálne aspekty 1 [vynechat] fumigation 1 [vynechat] heat equipment 1 [vynechat] heat transmission 1 [vynechat] heaters 1 [vynechat] heating 1 [vynechat] hydrotechnics 1 [vynechat] hydrotechnika 1 [vynechat] prestup tepla 1 [vynechat] stavebné konštrukcie 1 [vynechat] structures 1 [vynechat] tepelná ochrana budov 1 [vynechat] tepelné zariadenia 1 [vynechat] thermal protection of buildings 1 [vynechat]