Pick parts. Build your PC. Compare and share., · My Girlfriend's Birthday/Christmas Build AMD Ryzen 5 3600 GeForce GTX 1660 SUPER 1 0 FloydTheShark Core P3 Build AMD Ryzen 5 3600 (@4.192 GHz) GeForce RTX 2060 SUPER 1 0 Gigzymandias J U G G E R N A U T AMD Ryzen 9 3900X (@4.566 1 0 ...P&Q University Lesson 7, · A gyratory crusher uses a mantle that gyrates, or rotates, within a concave bowl. As the mantle makes contact with the bowl during gyration, it creates compressive force, which fractures the rock. The gyratory crusher is mainly used in rock that is abrasive and"Design intent of the ball", · I did some research on your bowling balls. In terms of the low RG, all three balls are very similar. The usable range of low RG's is 2.47 to about 2.61. RG stands for Radius of Gyration. It is an actual measurement of the X and Y axis of the core of the ball, in inches.
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