Occupation: Roof Bolters, Mining
Task: Rotate chucks to turn bolts and open expansion heads against rock formations.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 10.36 (N=74)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 13.19 (N=74)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 2.97 (N=74)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 1.81 (N=74)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 10.96 (N=74)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 15.43 (N=74)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 45.28 (N=74)
Source: Incumbent, 12/2004

Scale: Importance
Value: 4.06 (N=80)
Source: Incumbent, 12/2004

Scale: Relevance of Task
Value: 71.26 (N=115)
Source: Incumbent, 12/2004