https://padlet.com/cmcarthy03/mfs9vbwbd5ac materials en-us 2017-12-07 12:15:23 UTC 2025-11-12 12:15:27 UTC hello@padlet.com cmcarthy03 https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214066967 2017-12-07 12:16:55 UTC https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214066967 cmcarthy03 https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214068296 brass is non ferrous]]> 2017-12-07 12:22:38 UTC https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214068296 cmcarthy03 https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214076454 2017-12-07 12:50:43 UTC https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214076454 cmcarthy03 https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214076716 i learned that metals fall into two categories; ferrous and non ferrous]]> 2017-12-07 12:51:39 UTC https://padlet.com/cmcarthy03/mfs9vbwbd5ac/wish/214076716