Lake County has average temperatures ranging from the low 30's in the winter to the high 90's to low 100's in the summer. An average humidity of 50% in the winter and 30% in the summer which means virtually none of that famous California fog.
They are lever locks, with between 6 and 12 levers. They are double bitted and asymmetric, so the lock essentially has two different sets of levers. In addition, they are mostly quadruple throw, so you need to pass 4 sets of levers. The bolt work has 2 or 4 hardened steel circular bolts, providing good saw resistance.
Num lock. The Num Lock key exists because earlier 84-key IBM PC keyboards did not have cursor control or arrows separate from the numeric keypad. Most earlier computer keyboards had separate number keys and cursor control keys; however, to reduce cost, IBM chose to combine the two in their early PC keyboards.