Tapchhak TAPCHHAk served more purpose than just a fireplace or a kitchen, it was where *herbs were dried *seeds of crops were dried for planting *'Saum' , a widely used condiment was fermented near the fire *meats were smoked to enhance flavours and preservation *the ashes were used to make *ching-al, an alkaline sollution used to hance flavours and preservation.. Tapchhak is the heart of Zo taste transcending man made borders.