( ( When ( ( the solenoid ) pushed ) ) ( , ( ( the ( corian piece ) ) ( ( ( pushed downward ) ( onto ( ( the pushbutton ) ( on ( the camcorder ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (DT the) (NN solenoid)) (VP (VBD pushed)))) (, ,) (NP (DT the) (NN corian) (NN piece)) (VP (VBD pushed) (ADVP (RB downward)) (PP (IN onto) (NP (NP (DT the) (NN pushbutton)) (PP (IN on) (NP (DT the) (NN camcorder)))))) (. .)))
When the solenoid pushed, the corian piece pushed downward onto the pushbutton on the camcorder.
(ROOT (S (NP (DT An) (NN electormagnet)) (VP (VBZ is) (NP (NP (DT a) (NN piece)) (PP (IN of) (NP (NP (NN iron)) (PP (IN inside) (NP (DT a) (NN solenoid))))))) (. .)))