If you must walk with fins on while out of the water, you must walk __________. {Ans: backward}You blast clear you snorkel by __________. {Ans: exhaling forcefully}The __________ method is an alternate technique to clear your snorkel. {Ans: displacement clear}If you plan to engage in deep, wreck, or ice diving, you will want a __________ regulator. {Ans: high performance}A __________ provides a convenient way to consolidate your diving instruments. {Ans: console}Dive computers usually display maximum and current __________, and remaining allowable __________. {Ans: depth / dive time}When you clear a mask containing a purge valve, you tilt your head __________. {Ans: down}You do not use __________ when tightening your yoke screw on your regulator. {Ans: force}The key to a successful dive is to get as much of your __________ out of the water as possible. {Ans: body}A student enrolled for training in scuba diving has an obligation to __________, __________, and __________ every course session. {Ans: attend, participate, and complete}In the United States, scuba cylinders must be internally inspected __________ and pressure tested every __________ years. {Ans: each year / five}When you rinse your regulator, you need to be