Civil servants and British Airways cabin crew have walked out. Tube-workers and gas-fitters have been balloted.
公务员和英国航空公司机务人员已经加入其中，管工和天然气钳工也被推选出来。
2
Gasfitters install, inspect, repair and maintain gas lines and gas equipment such as meters, regulators and heating units in residential, commercial and industrial establishments.
Factory workshop of the company holding the shield spot welders, fitters gloves hitting, drilling workers dig wearing flat mirror, wearing sunglasses cutting gas cutting work.