provide first aid hltaid011 le how long is first aid valid for the how long do first aid certificates last cpr first aid western australia locations cpr level c training in tilli how long does a first aid certification victoria occupational first aid ofa paediatric first aid training emergcare victoria occupational first aid ofa victoria occupational first aid ofa youth mental health first aid training first aid training tennis australia first aid course canberra canberra surf life saving australia life vic first aid home how long does first aid certification last how long does first aid certification last how long does a first aid certificate cpr training how long do first aid certificates last how long do first aid certificates last