Even with the chair this was tedious awful work. The sun was hot and it was impossible to find a position that was comfortable for more than five minutes. Another guy from the labor pool (that's what they call the temp agencies here) was working a corner two miles away. He ended up tying his sign to a post and sitting in the shade for hours. At least we were not asked to wear costumes or dance around.
The only other good news, for those who need fast cash, was that the particular temporary work agency through which we were working paid us at the end of each day.