div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=2017-2-16-the-soda-firing-process-is-unique-because-at-2250-f-a-mix-of-sodahtmlpage=1 data-page=1 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer2022071505612617f6a0e44b752273a4e6html5thumbnails1jpg width=140 height=200 divdiv