[ Electronic key readers for reading keys having imbedded code bearing indicia, electronic security systems for use in controlling entry, said systems comprised of electronic encoders, electronic sensors for controlling entry to buildings, electronic locks and facilities management software, namely, software to control building, access and security systems ]

electronic security system for use in controlling entry, said system being comprised of electronic encoders, electronic computerized sensors, electronic locks, receptacles for receiving properly encoded lock activators and computer software for the above; electronic and electric parts thereof

steel in bar and billet form