08-09-2014, 12:37 AM
faraway Wrote:May be they did occasional serve some other industry but I assume the hoppers contain some additives used for steel cooking.
![[Image: IMG_3548_zpsfe8f4850.jpg]](http://i966.photobucket.com/albums/ae149/faraway52/FL2014-2/IMG_3548_zpsfe8f4850.jpg)
That additive sounds like GERN flux to me
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