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In the primary section will use E-shaped steel rod used to make transformers from the collection of the glass steel cores. each batch coming along according to the curves of the pipe. PVC Is Used As A Backbone To Weather Channel Consistency.
. In the secondary section use a hollow steel bar kaenklang which were worn with aluminum, tight fit. by 1 meter in length, and at the end of the secondary section will have a steel stopper, to stop the movement.
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