Sentence:  The Lancashire Tradesmen's Association organises craftsmen, semi-skilled and unskilled workmen on the surface other than the manipulators of coal, enginemen, boilermen and <WSD>locomen</WSD>; it also organises skilled craftsmen underground, although some craftsmen are organised by the Lancashire Area, which seeks to organise all underground workers including craftsmen. 
Meaning of the word marked with <WSD> tags:  Someone who works on a locomotive.