The top rated comment suggested a similar device might be found in your mothers dresser drawer. he said. 'It does not need lubrication and has no parts that can be worn down by friction.' To the untrained eye it appears to waggle back and forth, not unlike a car dashboard toy. 'It does not need lubrication and has no parts that can be worn down by friction''Our machine has no gears, brakes, bearings, or shafts,' Yanez said in a statement.
a comment  says the top assessed device is not a product that requires human supervision.
( z0 say :ARG0 ( z1 comment ) :ARG1 ( z2 product :ARG0-of ( z3 require :ARG1 ( z4 supervise :ARG0 ( z5 human ) ) :polarity - ) :domain ( z6 device :ARG1-of ( z7 assess :location ( z8 top ) ) ) ) )
(z0 / say-01
    :ARG0 (z1 / comment-01)
    :ARG1 (z2 / product
              :ARG0-of (z3 / require-01
                           :ARG1 (z4 / supervise-01
                                     :ARG0 (z5 / human))
                           :polarity -)
              :domain (z6 / device
                          :ARG1-of (z7 / assess-01
                                       :location (z8 / top)))))
a comment says the top assessed device is not a product that requires human supervision .
z0 :ARG0 z1
z7 :location z8
z6 :ARG1-of z7
z2 :domain z6
z0 :ARG1 z2
z3 :polarity 0
z2 :ARG0-of z3
z4 :ARG0 z5
z3 :ARG1 z4