The order picker style of forklift where the operator goes up with the machine, brings its own hazards. We really liked this WorkSafe BC review of a recent accident and subsequent recommendations:
http://www2.worksafebc.com/Publications/Multimedia/Slideshows.asp?reportID=36608
If you use one of these machines, please wear your fall protection equipment at all times, falling even just 10′ onto a concrete floor will harm you.