Metal detectors; security door systems comprising armored doors, automatic controllers for revolving doors automatic turnstiles, [ intercoms, ] semaphores, and metal detectors; electric and electronic systems for door openers and closers, namely, automatic controllers for revolving doors and electronic door openers; biometric recognition systems, namely, computer hardware device comprising an iris scanner, palm print scanner, fingerprint scanner, a device for voice recognition, and a device for facial recognition, a computer processor, and computer software for use in identification of individuals of individuals by their physical characteristics; magnetic card readers; barcode readers; encoded magnetic cards; intercoms; [ security alarms; ] electric and electronic control panels for security systems; electric fire alarms; [ electric anti-theft warning devices; smoke detectors; alarm bells; luminous beacons; ] cash handling machines; automated teller machines (ATM); automatic dispensing machines; electronic cash registers