Lesson Topics 170207 D2 Roof and Chimney- Session 1 170207 D2 Roof Structure and Attic- Session 2 170207 D2 Roof Structure and Attic- Session 3 170207 D2 Discussion and Group Texts- Session 4 170207 D2 Electrical System- Session 5 170207 D2 Electrical System- Session 6 170207 D2 Electrical System- Session 7 ← Previous Lesson Next Lesson →