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Niewątpliwy światowy sukces systemu certyfikacji dla termicznych kolektorów słonecznych oparty na znaku KEYMARK miał duży wpływ na decyzję o rozszerzeniu zasięgu programu na nowy typ produktów i regulację rynku pomp ciepła. Europa stawia na jednolitość systemów certyfikacji, a znak KEYMARK ze względu na jasne procedury i kryteria certyfikacji, coraz większą uznawalność i powszechność stosowania przyczynia...
Authors of the article would like to present the discovery of a fragment of a settlement and a grave of the late Linear Pottery culture from Sikorowo, site 20, Inowrocław commune, Cuiavia region. The grave, or rather its equipment, is particularly interesting, as it allows us to carry out detailed chronological and chorological analyses.
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