Applications:

School.　Hospital.　Cateteria.　Bath Room.　Foot Bridge.　Balcony.　Park.　Yard.　Square.　Hotel Lobby.　Train & Bus Station.　Airport.　Dock .　Transformer Station.　Nursing Home.　Laboratory.　Kindergarten.　Amusement Park.　Swimming Pool.　Gymnasium.　Pavement.　Tunnel.　Flat Roof.