Are there any restrictions to who can attend for training?

Training is available to anyone aged 17 or more who is physically and mentally fit (as any medical condition or medication that prohibits car driving equally apply to operating machinery),  has no special needs or learning difficulties and does not suffer from problems with eyesight, hearing, heart disease, high blood pressure, epilepsy, fear of heights/vertigo, giddiness, difficulty with balance, impaired limb functions, alcohol or drug dependence or psychiatric illness.