We had to stand on a monitor type thing to make sure the soles were anti static, depends what environment your working in.
Looks like one man from the hse woodsie, you can always phone the hse yourself mate.
Nice 1 for that he also said a board that we had stacked against the wall prior to work had blown over n nearly hit some one which i never saw and why were`nt we wearing eye protection! Eye protecion for what, incase the spanner flies out of your hand into your eye?