Jasmine Gillette, 17, meticulously spreads a trowel load of mortar as fellow Joint Technical Education District EMT program students Ana Gonzalez, middle, and Alyssa Cota crack up at her struggle during the Southern Arizona Construction Career Days event at the Tucson Rodeo Grounds on Wednesday. Over the two-day event, close to 1,500 high school and post-secondary school students get a hands-on introduction to the construction, mining, engineering, architecture and utility trades. See more photos at tucson.com/gallery.