TWILIGHT was already falling, but the oven in the public kitchen of the Indonesian Tofu & Tempe Primary Cooperative (Primkopti) still continued to glow. On Wednesday last week, taking turns, two workers were busy stirring soybean in drums inside the oven that is the size of three badminton courts. Other workers were moving this main ingredient for tofu and tempe into bags once it was already cooked. There were also those cutting tofu and then fry