Workers must be trained and assessed as competent before they are issued with a HRW Licence
Check your workers licences and never let an unlicenced worker do work requiring a licence
Keep a register of when licences are due to expire, and make sure they are renewed
Undertake refresher training regularly
Ensure you hold the appropriate licence to do the work you are doing
Talk to your workers about how to work safely when undertaking any type of high risk or licenced work.