[english] Background: Resistance to carbapenems is developing around the world and can cause many problems for treatment of patients. Production of metallo-beta-lactamase (MBL) is one of the main mechanism for this type of resistance. So. detection of MBL-producer microorganisms can prevent the spread of this type of resistance. https://allfixelectricales.shop/product-category/gas-stove-nipple/