Since you provide no options, There are 2 ways of blocking access to a facility computer user by unauthorized user. If you want to block the unauthorized user who could get an access to it from inside facility, you could use a Password. If you want to block unauthorized hackers to hack in your system, you use a Firewall
Hope this helps
Puberty begins when the pituitary gland secretes pituitary into the bloodstream to affect the sex organs.
I hope this helps!!!
Arm or probably I’m not sure
