Where you plan to dive Why does a diver need a BCD? allows you to regulate your buoyancy underwater Split- designed to thrust water straight back for max efficiency How do you prepare new fins for use? full foot- no preparationĪdjustable strap- need to adjust What 3 considerations do you have when buying a specific type of fin? size Vents- reduce resistance to fin and increase efficiencyĬhannels- increase efficiency by guiding water smoothly When buying a mask, what are the 2 most important features? fit and comfort How do you prepare a new mask for use? use a soft cloth with a low abrasion cleaner to remove the protective chemicalĪdjust the strap What 3 general maintenance procedures apply to mask care? 1) rinse thoroughly with fresh H2oģ) store in a cool, dry place Why does a diver need a snorkel? 1) lets you rest or swim with your face in the water, without wasting cylinder airĢ) makes it easier to breathe when the surface is roughģ) makes it easier to swim back, when you are running low on air What 3 features does an easy-breathing snorkel have? 1) large diameter (bore)ģ) Designed with smooth, rounded bends How do you prepare a snorkel for use? 1) attach it to the left of your maskĢ) Adjust snorkel keeper, so the top of the snorkel sits at the crown of your head with the mouthpiece in placeģ) remains in your mouth with a relaxed jaw Why does a diver need fins? provide a large surface area, so leg muscles can move through the water What are the 2 basic fin styles? 1) adjustable strap - open heelĢ) full-foot What blade design features may enhance a fin's performance? Ribs- add rigidity, act as vertical stabilizers
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