The present invention provides a composition including an isolated or recombinant peptide component that has osteogenic cell proliferative activity. The bulb socket housing having a cavity providing for pivotal movement during lamp insertion that once placed therein is pivotal to a seated locked position ensuring contact between the bulb pins and socket electrical contacts. The method further includes coupling at least one solvent-based purge system in flow communication with the at least one combustor assembly. Therefore, the graphene nanoribbon could be mass produced automatically in a short time. When a roll condition is indicated a safety device may be controlled to prevent rollover andor deploy a safety device. The first and second memories are used to each supply different data to identical addresses within a plurality of DUTs, thereby making it possible to conduct in parallel tests such as trim tests, repair tests, and invalid block masking test.