Singapore tested the "four-day work system" and realized that it only worked 4 days a week, and the comment area was fried! Singapore tested the "four-day work system" and realized that it only worked 4 days a week, and the comment area was fried! Singapore tested the "four-day work system" and realized that it only worked 4 days a week, and the comment area was fried! Singapore tested the "four-day work system" and realized that it only worked 4 days a week, and the comment area was fried! Singapore tested the "four-day work system" and realized that it only worked 4 days a week, and the comment area was fried! Singapore tested the "four-day work system" and realized that it only worked 4 days a week, and the comment area was fried!