Advertisements in schools

Schools often ask the Waste Management Working Group (HuMuSz) for advice on how they can resist the more and more aggressive invasion of commercial advertisements. As the problem of companies trying to advertise in schools is rather common, and because HuMuSz has been involved since the outset in preparation of the new advertising law , our organization would like to recommend the following:
Ilyen egyszerű ez. Mondjuk, kimaradt két Csrrr, amikor kicsengetjük a doboz árát és a szemétdíjat, de ettől most igazán el lehet tekinteni, végül is egy Ssss... Stockholmba a tét!