Chapter Meeting Presentations https://www.231.eaachapter.org/apps/photos/ Chapter Meeting Presentations Nov 2013 - Hammering Steel into Airplane Parts by Dennis Harbin https://www.231.eaachapter.org/apps/photos/photo?photoID=186864829 186864829 Nov 2013 - Hammering Steel into Airplane Parts by Dennis Harbin https://www.231.eaachapter.org/apps/photos/photo?photoID=186864828 186864828 Nov 2013 - Hammering Steel into Airplane Parts by Dennis Harbin https://www.231.eaachapter.org/apps/photos/photo?photoID=186864830 186864830