div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document2017-2-16-the-soda-firing-process-is-unique-because-at-2250-f-a-mix-of-sodahtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · 2017 2 16 · The soda-firing process is unique because at 2250 F a mix of soda ash baking soda calcium and wood chips are put in the kiln to create the outer glaze of the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsusreader036viewer2022071505612617f6a0e44b752273a4e6html5thumbnails1jpg width=140 height=200 divdiv