A bending apparatus is especially adapted for mounting to a vise to hold the bending apparatus in an aligned position so that the bending apparatus may impart a desired angle bend on a workpiece. Executable code in a subject file is emulated by a code emulator. A query layer receives queries and uses the index database to determine which data blocks are needed to process the query, and then requests only those data blocks from the time series database. The asymmetry consists of a delay element in one arm. An operating system migrates data between the NVM and the DRAM. The pore size is chosen to allow gas and vapor to pass, but not liquids, and to also prevent a flame from passing through.