Cicada toys toys that make noise. By using the principle of vibrating sound source
, which caused friction between tendon and rosin on the wood end, then send vibrations through the
.The tendons to the pipe to make the air within a pipe which is combined, more dense vibration The sound is so much more
and when cast cicada faster or better. To make the friction between tendon and turpentine at the end of the wood more
.The more vibration noise. The different volume will depend on the speed of cast
PVC pipe or cicada. Increase the size of the pipe or when a larger air inside the pipe. When the vibration will
.Vibrate more noise and more)
.
การแปล กรุณารอสักครู่..