3.2. operational projects.1. prepare the devices.2. put the upper punch and flour tins, equal to the size of the usb.3. apply solder to connect the battery to the chat topic.4. put usb comes to leave the po could use hot glue to glue climbing cold shooting until the usb stick tightly.5. punch Tin side to insert the battery into the 9 v-size cans.6. put the usb connected to the battery and the battery plugged into the chat size v 9.7. close the lid on the top and sides.8. try plug the handheld is connected to the chat.
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