By Pretoria Gordon of RNZ Workers at the Tiwai Point aluminium smelter have voted to take industrial action from Monday, following unsuccessful bargaining, but the smelter, owned by Rio Tinto, says it provides a competitive package. E tū union members at New Zealand's Aluminium Smelter in Southland, owned by Rio Tinto, have been in bargaining since 2024. E tū Director Mat Danaher told RNZ the dispute was about the basic right of working people to organise. "We believe this failure to agree is a deliberate anti-union tactic," he said. "They do not want to have a collective employment agreement in place. It feels like they would much prefer workers to continue to be individuals who they can push around and kind of decide what they want to do and basically deny the workers the right to a voice." Danaher said Rio Tinto had a track record of anti-union behaviour, with workers in Australia having also taken industrial action.…