Paul Barker said:...................
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..........................If people in the trade who work among us all the time demonstrate so much incompetence, how do you expect us to have confidence in you, without first pasing a test.
The reason for passing the test is to demonstrate you have enough wit to understand what you have been told, to acknowlwdge the fact that you have been told, and as a consequence you can take full legal responsibility for what you have done so you can be charged with an offence, if necessary, and that you will not be able to wriggle out of it.