41. The salt crystals appear black and are usually ground to a fine powder that is pink. 42. If using nuts, grind to fine powder using an electric seed grinder before adding to blender. 43. First, the alloy materials are combined in a ball mill and ground to a fine powder . 44. When touched by humans, they tend to lose some scales, that look like a fine powder . 45. Note : Lemon powder is the dried outer peel of the lemon, ground to a fine powder . 46. Plaster of Paris is calcined gypsum ( roasted gypsum ), ground to a fine powder by milling. 47. Reno authorized the use of CS gas-- actually a fine powder that burns the eyes and skin. 48. A fine powder is produced, but it can have poor flow and produce a lot of dust. 49. Gluten is a fine powder that helps whole-grain breads rise and hot dog buns open without breaking. 50. The finer powder produced is better suited for use as an insecticide than the more coarsely crushed flowers.
