A real-time management method for manufacturing management and yield rate analysis integration. The Internet camera is further provided with a mail receiving system that receives an e-mail message through the Internet. The first patterned mask layer has a first trench. Optionally, a screw dimensionally configured to pass through aligned bores in the proximal, metaphyseal and distal segments is threadably engaged with a threaded bore formed in the proximal end of the distal segment. Color coding can be used to indicate that the level of the power control signal is at or outside an optimum operating range.