manually-actuated valves of metal; namely, ball valves, check valves and needle valves for use in the oil and gas industry

'actuat':3 'ball':8 'check':10 'gas':21 'industri':22 'manual':2 'manually-actu':1 'metal':6 'name':7 'needl':13 'oil':19 'use':16 'valv':4,9,11,14

electrically-actuated valves; namely, ball valves, check valves and needle valves for use in the oil and gas industry

'actuat':3 'ball':6 'check':8 'electr':2 'electrically-actu':1 'gas':19 'industri':20 'name':5 'needl':11 'oil':17 'use':14 'valv':4,7,9,12

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