Originally Posted by youroo
I can tell you never worked in a foundry or a welding shop! Never use your (FINGER) for a tester!
God gave us fingers for testing all sorts of things! The Key word here was "Should" (be able to touch the drum with your fingers), sorry I should have expanded on this. Within a few inches of touching the drum your brain and nerve endiings should kick in, to say hesitate or continue. If hesitate then you enter into phase 2 of the operation, which is to add some "spit" to the ends of your digits, phase 3 gently proceed, etc
It works for me........sometimes the brain bit tho doesn't