"Pac-Man" sampler Resembling the video-game snapper, this is the jaw that could bite your arm off (see above). It's used to collect samples of known volume from the seabed. Not visible in this photo, ROPOS also has a rotating sample tray with four sub-dividable compartments, and a variable-speed, reversible suction sampler that can pump a respectable 78 gallons a minute. back to NOVA's Into the Abyss Home ©