Embodiments for interacting with an executable virtual object associated with a real object are disclosed. The scaffold is assembled to the large component for the boiler supported by a component supporting beam at the ground side before it is attached to a steel frame main-beam 16. A locking mechanism is provided within the housing which is biased to resist withdrawal of the first leg of the hasp through the first opening. The adapter may include a pressure adapter for coupling to a source of pressurized gas, such that the pressure adapter can be interchanged with other diagnostic tools including a valve assembly, a valve assembly incorporating a temperature probe and gauge andor a pressure gauge.