The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!
From the Wiki University
What evidence can you provide to prove your understanding of each of the following citeria?
Prepare for gas testing
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Find out type of gas/atmosphere to be tested Completed |
Evidence:
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Select and calibrate equipment in accordance with procedures Completed |
Evidence:
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Find out gas testing regime/sampling pattern required Completed |
Evidence:
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Identify hazards from possible atmosphere contaminants Completed |
Evidence:
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Implement hazard control measures and use of appropriate personal protective equipment (PPE) Completed |
Evidence:
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