( ( If ( ( these techniques ) ( ( do not ) work ) ) ) ( , ( ( ( direct ( physical force ) ) ( by ( means ( of ( ( ( a ( sintered ( tungsten ( carbide cutting ) ) ) ) or ) ( abrasive surface ) ) ) ) ) ) ( ( could ( be used ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT these) (NNS techniques)) (VP (VBP do) (RB not) (VP (VB work))))) (, ,) (NP (NP (JJ direct) (JJ physical) (NN force)) (PP (IN by) (NP (NP (NNS means)) (PP (IN of) (NP (NP (DT a) (JJ sintered) (NN tungsten) (NN carbide) (NN cutting)) (CC or) (NP (JJ abrasive) (NN surface))))))) (VP (MD could) (VP (VB be) (VP (VBN used)))) (. .)))
If these techniques do not work, direct physical force by means of a sintered tungsten carbide cutting or abrasive surface could be used.
(ROOT (S (PP (IN In) (NP (NN physics))) (, ,) (NP (NN work)) (VP (VBZ means) (S (NP (NP (DT the) (NN use)) (PP (IN of) (NP (NN force)))) (VP (TO to) (VP (VB move) (NP (DT an) (NN object)))))) (. .)))