About proper lifting techniques osha results of 6,665
127:33
64:32
70:57
55:00
54:11
49:55
55:10
54:57
55:10
36:31
45:42
65:44
33:07
35:50
93:05
68:24
66:40
39:10
36:57
38:48
39:41
35:04
88:45
38:45
47:23
36:03
51:16
38:40
61:07
40:59
48:52
35:48
37:04
45:00
54:56
37:40
38:12
36:31
40:55
46:17
44:31
40:34
54:15
62:20
42:37
63:00