A micro-electromechanical device includes a semiconductor body, in which at least one first microstructure and one second microstructure of reference are integrated. A professional photographer photographs the bride and groom on the day of wedding, and obtains image data sets. The layer which includes the polymer derived from the polypropylene is oriented in at least the machine direction. One or more pumps are disposed within the compartment and configured to pump dielectric fluid liquid within the compartment towards the cooling surface to facilitate cooling the liquid within the compartment below a saturation temperature of the dielectric fluid.