( ( Study ( ( ( the microstructure ) ( -LRB- ( ( small-scale structure ) -RRB- ) ) ) ( of ( ( rock samples ) ( using ( ( ( ( the ( Scanning ( Electron Microscope ) ) ) ( -LRB- ( SEM -RRB- ) ) ) or ) ( laser ( confocal microscope ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Study) (NP (NP (DT the) (NN microstructure)) (PRN (-LRB- -LRB-) (NP (JJ small-scale) (NN structure)) (-RRB- -RRB-)) (PP (IN of) (NP (NP (NN rock) (NNS samples)) (VP (VBG using) (NP (NP (DT the) (NNP Scanning) (NNP Electron) (NNP Microscope)) (PRN (-LRB- -LRB-) (NP (NNP SEM)) (-RRB- -RRB-)) (CC or) (NP (NN laser) (JJ confocal) (NN microscope)))))))) (. .)))
Study the microstructure (small-scale structure) of rock samples using the Scanning Electron Microscope (SEM) or laser confocal microscope.
(ROOT (S (NP (DT A) (NN electron) (NN microscope)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB see) (NP (ADJP (RB extremely) (JJ small)) (NNS objects))))))) (. .)))