Aircraft rescue and firefighting trucks.
https://diqn32j8nouaz.cloudfront.net...k_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...1_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...3576#post99483
https://www.homemadetools.net/forum/...583#post197412
https://www.homemadetools.net/forum/...979#post210537
https://www.homemadetools.net/forum/...453#post189197
https://www.homemadetools.net/forum/...127#post176405