skillfully assembled , highly polished and professional 
(ROOT (ADJP (ADJP (RB skillfully) (VBN assembled)) (, ,) (ADJP (RB highly) (JJ polished)) (CC and) (JJ professional)))
(ROOT (ADJP (ADJP (RB ) (VBN )) (, ) (ADJP (RB ) (JJ )) (CC ) (JJ )))