If you enter the actual spare parts on the machine will have to solder or glue the joints may be charged with the many suppliers and therefore the TA does not like at all ตัอ ngachai instrumentation instead.
If you put the parts on a real machine. Parts are soldered seam Or by applying the glue. Many suppliers who do not like. Put my desired instrumentation.
If you put on the machine parts, spare parts are welded soldered or welded glue may be applied. Several suppliers, so don't like. เลยตั use instrument.