Earth colours, whether or not calcined or mixed together; santorin, pozzolana, trass and similar earths, used in making hydraulic cements, whether or not powdered
Crë­dhathanna, blodh ηδ nã bíodh siad cailcínithe ηδ measctha ar a chéile; cré santorin, pozzolana, trass agus créanna dã samhail, a fisãidtear ag dêanamh stroighneacha hiodrãlacha, blodh ηδ nS bíodh siad püdaraithe