I recently saw this photo on Facebook. Is the contained claim true, that post offices in Singapore will attend to men with long hair last?
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So it was reported in the news at the time (e.g. 1980):
Long hair not fitting in in Singapore
SINGAPORE (AP) - A government campaign against long hair on males has been extended … (source)
Long Hair Frowned Upon In Singapore
SINGAPORE (AP) - A five-year attempt to stamp out long hair here has not been successful but the campaign continues with much vigor. (source)
Apparently it started in the early 1970s according to this article, which includes a sample poster: