Just in case you needed reminding
[youtube:1r8ea5xk]pNZ4siYGkag[/youtube:1r8ea5xk]
With thanks to LCCSA
[youtube:1r8ea5xk]pNZ4siYGkag[/youtube:1r8ea5xk]
With thanks to LCCSA
SimonD said:One the trainers used to scare us with when we were doing liquid oxygen training