Magnets and electromagnetic devices "can be useful, but also can be abused," Harman cautions.
(Magnets and electromagnetic devices "can be useful, but also can be abused; cautions; Harman) Context(Magnets and electromagnetic devices " can be useful , but also can be abused cautions,List([0, 92))):(Magnets and electromagnetic devices; can be; useful)
Magnets and electromagnetic devices " can be useful , but also can be abused cautions,List([0, 92))
Magnets and electromagnetic devices "can be useful, but also can be abused Magnets and electromagnetic devices
cautions can be
Harman
useful