When a pattern piece is cut from the lay, the cutter then makes the notch cuts indicated on the marker.
( ( When ( ( a ( pattern piece ) ) ( is ( cut ( from ( the lay ) ) ) ) ) ) ( , ( ( the cutter ) ( then ( ( makes ( ( the notch ) ( cuts ( indicated ( on ( the marker ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (DT a) (NN pattern) (NN piece)) (VP (VBZ is) (VP (VBN cut) (PP (IN from) (NP (DT the) (NN lay))))))) (, ,) (NP (DT the) (NN cutter)) (ADVP (RB then)) (VP (VBZ makes) (NP (NP (DT the) (NN notch)) (SBAR (S (NP (NNS cuts)) (VP (VBD indicated) (PP (IN on) (NP (DT the) (NN marker)))))))) (. .)))
The notch cuts make it easier to use the marker.
( ( The notch ) ( cuts ( ( make ( it ( easier ( to ( use ( the marker ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN notch)) (NP (NNS cuts)) (VP (VBP make) (S (NP (PRP it)) (ADJP (RBR easier)) (S (VP (TO to) (VP (VB use) (NP (DT the) (NN marker))))))) (. .)))