Also known as: df.
DF has various meanings in the Technology category. Discover the full forms, definitions, and usage contexts of DF in Technology.
The measured positive or negative pressure maintained within the boiler and produced by the use of forced draft and induced draft fans. Negative draft helps ensure that the fire and exhaust gases are controlled within the boiler. Lower or bottom section of a mold or pattern. A written version of an essay; most writers create multiple drafts in the process of writing. OR A Slight taper in a mold wall designed to facilitate removal of the molded object from the mold.
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