Employee was adjusting the primary jaw crusher. The pitman got hung on the cheek plate and did not come back with the toggle plate like it should have. The employee placed their hand on the spring bolt to observe what was catching the pitman and the toggle plate fell on the employee's right hand, causing a laceration that needed stitches.
Employee was picking up an oxygen bottle and turned left arm - pulled muscle in forearm.
EE was helping the other employees replace a shaker screen. This particular screen weighed app. 230 lbs. (48""long x 72"" wide) Upon lifting the screen, EE grabbed his lower back, but didn't say anything. Later, at app. 11:40 a.m., he went to the plant manager and told him that he thought he had pulled his back.