For context, these are training materials to train new technicians on proper home insulation practices as part of DOE's Weatherization Assistance Program. They were deleted from DOE's website, and are now mirrored by Building Performance Institute at <a href="https://bpi.org/pages/wap/?trk=feed_main-feed-card-text&__readwiseLocation=" rel="nofollow">https://bpi.org/pages/wap/?trk=feed_main-feed-card-text&__re...</a>