A bonded structure includes a laminate, a laminate, an adhesive that bonds together the laminate and the laminate, and an optical fiber sandwiched between the laminate and the laminate. A mixing device receives pesticide from the dosing device and mixes the pesticide to form at least one of a pesticide solution and a pesticide mixture. The electronic circuitry compares the output to a threshold level. The pushing means is circumferentially positioned at the mould base. The estimation process includes capturing metric data for each bit in the data frame and obtaining derivative of the metric data.