Brother, working in factory is very much different driving on
the road, I work in factory at the moment, and still can post here
and there, can go toilet, can ask my men go buy kopi, can
chit chat abit, work abit, eat snake a bit, can even bathe after
work, you do not need to be full alert, just carry on with what you
are doing.
As for taxi driving, the physical eyesight, you need to look out
for pax, TP, traffic condition, other vehicles, jams, the
calls and then the mental side, needs to think, strategy,
where to go, how to move, which way, which road shortest, when to
eat, where got toilet, where to release, time management, where got
paxs, then come to human interaction, the paxs, demanding ones,
good ones, nice ones, sexy ones, class ones, siao ones, and so
on.
After 12 hrs on the road, you may look like a zombie