Wise words Hawker, but in the current compliance environment it's becoming unworkable.
We've had problems with the risk assesment on our string - our new SMS has highlighted some tripping and garroting hazards that require constant callibration and burning the end with a match to stop it fraying, don't get me started on the hazard / risk / prevention process of matches!
We've been working on some virtual string on a digitised map, but this has caused problems with the CP who insists on having his PC screen in 640 x 480 resolution and is now convinced that it's 640 nM from Istanbul to Coventry.
Phil