( These ( ( are ( ( such things ) ( as ( ( ( ( ( ( ( ( ( noise levels ) , ) vibration ) , ) ( ( the speed ) ( of ( work flow ) ) ) ) , ) ( temperature ( and ( humidity levels ) ) ) ) and ) ( ( the frequency ) ( of ( shift ( work changes ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT These)) (VP (VBP are) (NP (NP (JJ such) (NNS things)) (PP (IN as) (NP (NP (NP (NN noise) (NNS levels)) (, ,) (NP (NN vibration)) (, ,) (NP (NP (DT the) (NN speed)) (PP (IN of) (NP (NN work) (NN flow)))) (, ,) (NP (NN temperature) (CC and) (NN humidity) (NNS levels))) (CC and) (NP (NP (DT the) (NN frequency)) (PP (IN of) (NP (NN shift) (NN work) (NNS changes)))))))) (. .)))
These are such things as noise levels, vibration, the speed of work flow, temperature and humidity levels and the frequency of shift work changes.
(ROOT (S (NP (NNS Ectotherms)) (VP (VBP undergo) (S (NP (NP (DT a) (NN variety)) (PP (IN of) (NP (NP (NNS changes)) (PP (IN at) (NP (DT the) (JJ cellular) (NN level)))))) (VP (TO to) (VP (VB acclimatize) (PP (TO to) (NP (NP (NNS shifts)) (PP (IN in) (NP (NN temperature))))))))) (. .)))