An installation comprises at least one sensor for providing sensor data representing a real system state of the installation and at least one actuator for acting on the real system state. The frame plate includes a plurality of light source pad portions, a power wiring portion, and a peripheral portion. A bottom side of a gas permeable layer of material having top and bottom sides is adhered to at least a portion of the top side of the circuit board. The process is particularly well suited to the preparation of menthyl chloroformate and benzyl chloroformate.