Should the following be part of safely and effectively using plant and equipment? After doing a thorough risk assessment on the use of plant and equipment, you will need to operate it in accord with the control measures that have been decided on. You will need to follow the Code of Practice when spray painting. Only trained operators should use the plant and equipment for the safest and most effective methods of use. When these are not in immediate use, they must be turned off and placed so as not to create a hazard. With spray guns, the tips must be kept from drying out which would cause blockage or uneven paint application