Silicon raw material and gallium dopant are charged and mixed in a crucible. A search area is set for each lane marking with respect to images stored in a image storage part through a window. Each shelf also has an interconnection member for providing connections between the information processing modules and the switching module. A cutting device to trim the film to size without trimming the shoe material is also contemplated. The engagement is detachable in an axial direction and not detachable in a radial and a circumferential direction. Network performance parameters of a benchmark media stream, such as throughput and signal strength, are measured for predetermined wireless network ranges and correlated to the introduction of various artifacts such as but not limited to, blurring, blockiness, and jerkiness, affecting streaming video quality.