Information alert and warning systemInformation alert and warning system is a complex system of warning the population. Its components are municipal and local radio, sending ...

Recovery of family housesRecovery of family houses: through a piperine the recovery unit brings fresh air into rooms such as the bedroom or living room and conducts ...

Heat pumps ground - waterHeat pumps ground - water are primarily designed for hot water heating and water heating , possibly for water heating in a pool. Heat pumps ...