duffman on Instagram: "THE SECRET ART OF SCOOPING. The term for the process of filling the Bowl on a Wheel Tractor Scraper is called "Boiling". It refers to how the upward motion of the material's flow state occurs as if the jostling particles of all sizes were tepid bubbles in a boiling pot of water. As the variable material particles flow over the cutting edge, through the open mouth, across the floor and through to the back door. The flow changes at an envelope point of volume, which in turn

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