The role of positive pressure foam pool in commercial kitchen

Removing residue, removing oil stain and soaking in disinfectant. There are three sinks in the commercial kitchen. The first one is marked with the word "wash", the second one with the word "brush" and the third one with the word "clean". The functions of the three pools are different, corresponding to the corresponding functions, namely, a pool for removing residues, a pool for removing oil stains and a pool for soaking 84 disinfectant. Therefore, the function of commercial kitchen is to remove residues, oil stains and soak with 84 disinfectant. Business is commercial use, and any profit-making activity is a commercial activity. In this case, unauthorized use of other people's works is an infringement. Even if it is not a commercial activity, in principle, the authorization of the original author should be sought.