ability to work as part of a team on site in some cases or be self motivated and work in isolation of other team members in other cases .
O O B-SKILL I-SKILL I-SKILL I-SKILL I-SKILL I-SKILL O O O O O O O B-SKILL I-SKILL O B-SKILL I-SKILL I-SKILL O O O O O O O O
NN TO VB IN NN IN DT NN IN NN IN DT NNS CC VB VBN JJ CC NN IN NN IN JJ NN NNS IN JJ NNS .