What is a septic tank? Septic tank is a special element of the treatment plant. In essence, he is not finally completed by treatment. Its application is possible only in accordance with the rules and norms in force in the country or region.
Износ преимуществ: что будет с прибылью, если скидки утилитарного токена урежут на X б.п., и как учесть «скам»-риск09.11.2025
