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There are two types of pk.They are micro pk and macro pk.
pk means Pakistan
Uh, here goes: PK Flash, PK Fire, PK Lightning, PK Starstorm, PSI Magnet and PSI Brainstorm.
there is no such abbreviation of PK. pk is the name of the movie of amir khan. pk is considered as a drunk man in india.
.pk was created in 1992.