( ( ( ( 62 magnetization ) and ) ( demagnetization E-78 ) ) ( ( ( ( Stroke ( a ( steel needle ) ) ) ( with ( a ( permanent magnet ) ) ) ) ( to ( ( ( ( magnetize and ) pass ) it ) ( through ( ( an AC ) ( solenoid ( to demagnetize ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD 62) (NN magnetization)) (CC and) (NP (NN demagnetization) (NN E-78))) (VP (VBP Stroke) (NP (DT a) (NN steel) (NN needle)) (PP (IN with) (NP (DT a) (JJ permanent) (NN magnet))) (S (VP (TO to) (VP (VB magnetize) (CC and) (VB pass) (NP (PRP it)) (PP (IN through) (NP (NP (DT an) (NNP AC)) (VP (VBN solenoid) (S (VP (TO to) (VP (VB demagnetize))))))))))) (. .)))
62 magnetization and demagnetization E-78 Stroke a steel needle with a permanent magnet to magnetize and pass it through an AC solenoid to demagnetize.
(ROOT (S (NP (NNP Demagnetization)) (VP (VBZ is) (NP (NP (DT the) (NN process)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (DT a) (NN magnet)) (VP (VBZ loses) (NP (PRP$ its) (JJ magnetic) (NNS properties))))))) (. .)))