\' Gambas class file
Public Sub usarMotorComun()
Dim m As New MotorComun
M.encender()
m.acelerar()
m.apagar()
End
Public Sub usarMotorEconomico()
Dim m As New MotorEconomico
M.encender()
m.acelerar()
m.apagar()
End
Public Sub usarMotorElectrico()
Dim m As New MotorElectricoAdapter
M.encender()
m.acelerar()
m.apagar()
End