A dual crucible for silicon melting and a manufacturing apparatus of a silicon thin film including the same are disclosed. This invention also relates to phenyl-aza-benzimidazole molecules that are cellular proliferation inhibitors and thus are useful as anticancer agents. The ice cutting mechanism is attached to the frame and is adapted to spin on a first axis oriented transversally to the frame. At least some of the second polysilicon area comprises contacts of the semiconductor device. The second sub-network may include one or more slave clocks and a slave clock time-base controller connected to the slave synchronization data source. The methods employ cells that contain a plurality of active copies of nucleic acid encoding the soluble hyaluronidase and a plurality of feedings and temperature changes, whereby the encoded soluble hyaluronidase is secreted into the cell culture medium.