| http://www.w3.org/ns/prov#value | - n to the open position for a first predetermined period of time such as twenty seconds, a first intermediate control signal to close the valve member 18 when the electro-mechanical fluid flow control apparatus 10 is in the second state and a person is not sensed in the target zone or field for a second predetermined period of time such as five seconds and a second intermediate control signal to op
|
