Pace of learning and length of modules just right. One of the answers on the abrasive wheels regarding switching off the cutting lubricant before the wheel is switched off has two correct answers but only one is accepted. ( I got this wrong) It only accepts to ensure the wheel is dried off as the correct answer, but in the module it also states that it may cause an imbalance to the cutting wheel which from a safety perspective would be more relevant? Regards Karl Jones