Buat perangkap dari botol plastik. Buat perangkap menggunakan stoples kaca dan plastik pembungkus. Gunakan flypaper (kertas perangkap lalat). Buatlah flypaper sendiri.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
One of the most effective homemade fly traps is made using a simple plastic water bottle.  Unscrew and remove the cap, then use scissors to pierce the plastic and cut off the top quarter of the bottle. Fill the bottom part of the bottle with a quarter cup (60 mL) of sugar, a quarter cup (60 mL) of water, and a couple of drops of blue food colouring. The blue colour helps to attract flies, but most colours or no colours will attract flies as long as it isn't yellow. Yellow is found to be the only