The so -called “dust” bugs inherent in old carpets, sofas, and all “furniture” products are not just “bugs” in your apartments. All these are not jokes, as you know, bugs are the peddles of many diseases, so the speedy destruction of bugs can be “saving” you from unwanted visits to the doctor. To withdraw these parasites, you should turn to special people called “disinfectors” - people fighting similar parasites. A lot of detailed information is written on this subject here on this site Statio-Klopax