Ten prehistoric Comb Ceramic vessels found near Kotka have been studied with the aid of AAS and diatom analysis. Correspondence between stylistic and decorative groupings show that the variation in the elements determined by AAS is apparently due to the coarse sand temper added to the clay during the actual manufacture of the vessels. The composition of the Pit and Comb Ware vessel di... https://parisnaturalfoodes.shop/product-category/bcaa-xdm-spiked-powder-berries/