The magnetism applications are increasing day by day. In this research the concepts of magnetism is the base of proposing a new method to find the total dissolved salts in soil. The aim of this proposed magnetism method is to accelerate the required time to determine the total dissolved salts which is expressed by the sample (TDS) . where the standard test takes 3 to 4 day; this will ... https://www.canadiensboutiquers.shop/product-category/magnets-and-keychains/