Locksmithing is the science and art of making and defeating locks. Practitioners are called locksmiths. Locksmithing is one of the earliest forms of security engineering. Lock-picking was one of the first forms of security system cracking.
The issue of full disclosure was first raised in the context of locksmithing.
... beginning of 20th century, the population grew to 673,100 today, 83% from whom are Russians. The largest settlement on the island is Yuzhno-Sakhalinsk[?] (pop. 171,000). ...