Three lanes are merged to one. KB Magdeburg's public traffic is handled by buses and street cars. Passengers have to change. KB Streams of pedestrians, bicyclists, vehicles and street cars cross each other on a busy traffic intersection. Two types of traffic light control systems have to be compared.
Students have to wait in long lines.
That happens in the rush hour in a big cafeteria. 328 KB 135 KB 604 KB Cast iron cleaning is a heavy work. A copper refinery has a complicated transporting system. Transporting processes in a planned large platinum underground mine have to be modelled. Favourable sizes and capacities of stores and conveying systems have to be found by model experiments.