Category talk:20th-century Australian engineers

	Biography portal This category is within the scope of WikiProject Biography, a collaborative effort to create, develop and organize Wikipedia's articles about people. All interested editors are invited to join the project and contribute to the discussion. For instructions on how to use this banner, please refer to the documentation.BiographyWikipedia:WikiProject BiographyTemplate:WikiProject Biographybiography articles
	This category is supported by the science and academia work group.

Australia

20th-century Australian engineers is within the scope of WikiProject Australia, which aims to improve Wikipedia's coverage of Australia and Australia-related topics. If you would like to participate, visit the project page.AustraliaWikipedia:WikiProject AustraliaTemplate:WikiProject AustraliaAustralia articles

Years

This category is within the scope of WikiProject Years, a collaborative effort to improve the coverage of Years on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.YearsWikipedia:WikiProject YearsTemplate:WikiProject YearsYears articles