A combination circuit would be needed for security because if you had a strait circuit if any one of those sensors or the keypad was ripped off the circuit will now let the flow of electricity be possible but with a combination circuit it helps eliminate that problem because even if on flow path is cut off, other paths are still available <span />
It would be version 14.04! I run Ubuntu Linux on my pc with dual boot with Kali Linux! I hope this helped!
Answer:
gives label artwork a professional, polished look.
Explanation: