Advertisement Laborâs dominant left faction will get a boost in the West Australian Parliament as more than 70 out of a possible 95 seats come into play for the party as counting continues. Based on Monday projections, the left faction â made up of MPs aligned with the United Workers Union and Australian Manufacturing Workers Union â will increase its numbers to 41. WA premier Mark McGowan will decide on his cabinet this week. Credit:Getty Images On the other side of the coin is the Progressive Labor faction â which includes the Transport Workers Union, Shop, Distributive and Allied Employees Association, Australian Workersâ Union, Construction, Forestry, Maritime, Mining and Energy Union, and Maritime Union, alongside MPs from the old right â that will go up to 26 MPs in the lower and upper house.