Cika wannan jumla:
1934 Yajin aikin gabar tekun Yammacin Yamma, Kungiyar Ma'aikatan Jirgin Ruwa ta Duniya da Ma'aikatan Sufurin Jirgin Ruwa (MTW) na Ma'aikatan Masana'antu na Duniya (IWW) sun shiga yajin aikin, amma "MWIU da 'yan Kwaminisanci suka mamaye yajin aikin" ta hanyar tsagewa.