If your house is often visited by insects. do not panic! quickly make a trap. Easy to make and easy to use!
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Step 1: You Need (Look Image)
Step 2: Make a Hole at the Bottom of Cup
Step 3: Put the Cups in the PC Fan and Glue It With Double Sided Tape
Step 4: Test It!
Turn on your trap with 9V battery or DC Power supply, Put food in front of the trap and Voila! Finish.
Look video for full instruction.
Thanks for look my work