whats required for roof replacement

<ul class="i8Z77e"> <li class="TrT0Xe">Safety comes first with <strong>roof repair</strong> or <strong>replacement</strong>. A ladder, scaffold or shingle lift. ...</li> <li class="TrT0Xe">Tools used for asphalt shingle <strong>roof replacement</strong> or <strong>repair</strong>. Chalk line. ...</li> <li class="TrT0Xe">Shingles, and other <strong>roof</strong> materials. Aluminum drip edge.</li> </ul>