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Mortar as a synonym for cement in masonry came from the use of mortars and pestles to grind the materials for creating cement. The short bombard cannon was called "mortar" in French because the first versions of these cannons looked like big metal mortars of the Medieval Ages and they required to be filled with gunpowder, like a mortar would be ...
B – Boulet (French word for balls). D – Direct firing. 47 – Diameter of shell (in decimeters) i.e. 4.7 m diameter. 72 – Length of shell (in decimeters) i.e. 7.2 m length. The grinding in the ball and tube mill is produced by the rotating quantity of steel balls by their fall and lift due to tube rotation.
Typical clinker nodules Hot clinker. Cement clinker is a solid material produced in the manufacture of portland cement as an intermediary product. Clinker occurs as lumps or nodules, usually 3 millimetres (0.12 in) to 25 millimetres (0.98 in) in diameter.
Cultivators stir and pulverize the soil, either before planting (to aerate the soil and prepare a smooth, loose seedbed) or after the crop has begun growing (to kill weeds—controlled disturbance of the topsoil close to the crop plants kills the surrounding weeds by uprooting them, burying their leaves to disrupt their photosynthesis or a ...
Related: The 26 Funniest NYT Connections Game Memes You'll Appreciate if You Do This Daily Word Puzzle. Hints About Today's NYT Connections Categories on Wednesday, January 8. 1. These words ...
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Coal dust is a fine-powdered form of coal which is created by the crushing, grinding, or pulverization of coal rock. Because of the brittle nature of coal, coal dust can be created by mining, transporting, or mechanically handling it.
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