Original sentence: GUE has expressed concerns that divers trying to utilise the technique without proper training, or without employing DIR approach to skill development, dydration and fitness leads to an unacceptably high risk of decompression sickness
Edited sentence: GUE has expressed concerns that divers trying to utilise the technique without proper training, or without employing DIR approach to skill development, dehydration and fitness leads to an unacceptably high risk of decompression sickness