Occupation: Septic Tank Servicers and Sewer Pipe Cleaners
Task: Install rotary knives on flexible cables mounted on machine reels, according to the diameters of pipes to be cleaned.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 12.01 (N=78)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 3.05 (N=78)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 17.2 (N=78)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 8.83 (N=78)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 30.3 (N=78)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 23.22 (N=78)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 5.4 (N=78)
Source: Incumbent, 12/2006

Scale: Importance
Value: 4.03 (N=81)
Source: Incumbent, 12/2006

Scale: Relevance of Task
Value: 77.39 (N=107)
Source: Incumbent, 12/2006