A mining shovel includes a base for supporting the shovel on a support surface, a boom, an elongated member movably coupled to the boom, and a support member. Within the bioretention box is a treatment region to remove contaminants from storm water ingress. In addition, an opening is formed into the upper electrode, and this upper electrode having the opening formed therein is deposited at a position not being superposed with the projections of the insulating film when seen from the top. Broadly, functions, function parameters, constants and variables are replaced with strings from the precompiler directives. To provide economics for manufacturing, one size should fit most blades and the device should require a limited quantity of materials and fabrication.