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VACUUM CLEANER
approach is most
popular. A dredgehead rakes up
nodules that are then sucked up through
pipes by compressed air or
submerged pumps to ship at surtace.
SINGLE DRAG BUCKETS
have.
been used experimentally. But a BRIGAOE
OF BUCKETS on a revolving
cable are atso on drawing boards. Mud
washes out as buckets r ise.
REMOTE·CONTROLLED MINING SHUTTLES
are one envisipned method ot
scooping up nodules. Each ·shuttle><carries
a television camera and lights
so it can
be
steered from. above:
'
¡,
~·