Knowledge of basic sailing terminology, parts and functions, helm commands, basic sail trim, points of sail, buoyage, seamanship and safety including basic navigation rules to avoid collisions and hazards. Auxiliary power operation is not required.
However, there are some other conditions could cause sores and blisters on the vagina: 1  Genital herpes: Genital herpes is a viral infection caused by the herpes simplex viruses type 1 (HSV-1) or type 2 (HSV-2).  A person infected by genital herpes manifests blisters and sores in the vaginal area.
1. Blood Blister on Scrotum STD, Herpes. Having blood blisters on scrotum can at times be as a results of Sexually transmitted disease (STIs). Genital Herpes is just one of them. It is caused by Herpes simplex virus (HSV) acquired through contact.