Hardware can also use the vacuum bag

The use of vacuum bag for the average person may be vacuum save all kinds of food, such as pickled beef pork, mutton, chicken, such as health oats, such as soup pot sugar water pot with coarse grains beans. Vacuum packing has great effect to save our food. But you know what? The purpose of the vacuum bag has wider meaning than we expected. The preservation of the Marine valve is also using vacuum bag. Remind clean parts must be kept sealed, for installation. Requirements for the installation process is as follows: 1, the installation must ensure that the workshop clean, or clean up temporary area, for example with the new purchase of striped cloth or plastic film, etc. , to prevent dust during the installation process has entered. 2, assembly workers must be dressed in a clean, pure cotton overalls, head Dai Chun cotton padded cap, hair can't leakage, foot wear clean shoes, hand wear plastic gloves. 3, erection tools must be clean before assembly to skim, ensure clean. 【 Aluminum foil bag]