. "How do you enter scuba"@en . . "If by scuba, you mean the whole field of scuba diving, you would most likely enter by taking classes with an instructor. If you mean a dive, falling backwards into the water from a sitting position on the edge of the boat is common."@en . . "If by scuba, you mean the whole field of scuba diving, you would most likely enter by taking classes with an instructor. If you mean a dive, falling backwards into the water from a sitting position on the edge of the boat is common."@en .