Initially, such a novelty may seem stupid and not justified. But ideally, it helps a lot when it comes to the huge area of plastic windows, for example, in large offices, etc. p. You can install the new Pilkington Activ system, thereby securing the clean face of the company. Or you can constantly order the services of clinings-alpineists. But, one way or another, innovations allow not only saving money, but also time.