Occupation: Etchers and Engravers
Task: Prepare etching chemicals according to formulas, diluting acid with water to obtain solutions of specified concentration.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 0 (N=24)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 0 (N=24)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 55.98 (N=24)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 11.18 (N=24)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 15.59 (N=24)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 6.63 (N=24)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 10.63 (N=24)
Source: Incumbent, 06/2007

Scale: Importance
Value: 4.73 (N=25)
Source: Incumbent, 06/2007

Scale: Relevance of Task
Value: 16.64 (N=79)
Source: Incumbent, 06/2007