DeepSeaExplorer
Contributor
This paragraph from the article mails it...
“Some of the concerns tour companies in Hawaii have raised with full-face snorkel masks is the difficulty of removing the masks if water gets inside; that the masks can retain more carbon dioxide than traditional snorkel masks; and that the masks cover the snorkeler’s mouth, making it difficult for someone wearing it to call for help if needed.”
“Some of the concerns tour companies in Hawaii have raised with full-face snorkel masks is the difficulty of removing the masks if water gets inside; that the masks can retain more carbon dioxide than traditional snorkel masks; and that the masks cover the snorkeler’s mouth, making it difficult for someone wearing it to call for help if needed.”