The items are then stored in a way that makes them easy to pick for an order about to be shipped.
( ( The items ) ( ( ( are then ) ( stored ( in ( ( a way ) ( that ( makes ( them ( easy ( to ( ( pick ( for ( an order ) ) ) ( about ( to ( be shipped ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS items)) (VP (VBP are) (ADVP (RB then)) (VP (VBN stored) (PP (IN in) (NP (NP (DT a) (NN way)) (SBAR (WHNP (WDT that)) (S (VP (VBZ makes) (S (NP (PRP them)) (ADJP (JJ easy) (S (VP (TO to) (VP (VP (VB pick) (PP (IN for) (NP (DT an) (NN order)))) (VP (IN about) (S (VP (TO to) (VP (VB be) (VP (VBN shipped)))))))))))))))))) (. .)))
The items are stashed  so that they are easily picked for an order about to be shipped.
( ( The items ) ( ( are ( ( stashed so ) ( that ( they ( ( are easily ) ( picked ( for ( ( an order ) ( about ( to ( be shipped ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS items)) (VP (VBP are) (ADJP (JJ stashed) (RB so) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP are) (ADVP (RB easily)) (VP (VBN picked) (PP (IN for) (NP (NP (DT an) (NN order)) (VP (IN about) (S (VP (TO to) (VP (VB be) (VP (VBN shipped)))))))))))))) (. .)))