ghalibav also pointed to the developments in palestine and added that by promoting the culture of martyrdom and sacrifice that originated from the islamic revolution, the issue of palestine has now become the issue of all people with any intellectual orientation and taste. the technologists of a knowledge-based company succeeded in designing and localizing pressure test tool parts . this technological product is of high quality competition and about 40% lower than the price of foreign produced samples. iron bandages are iron sheets that cover the corrosion of tanks or oil and gas transmission pipes. however, the outputs of each device are welded to an iron sheet, which must be of sufficient thickness because it must withstand significant pressure, because this process was time-consuming and expensive, and after this sheet should have been separated from the mat and equipment, it could not be used. now, the technicians of a knowledge-based company in tarbiat modares park have a problem with this leakage. solve with mechanical hydraulic mechanism that it hardens and covers the inner surface o