3.3 Tracing polygon and categorizing hazards

All download materials for Module 3 can be found in Module 3 tab

{"preview_thumbnail":"/sites/default/files/styles/video_embed_wysiwyg_preview/public/video_thumbnails/WkmXH0B5zpc.jpg?itok=PAQNTx5C","video_url":"https://youtu.be/WkmXH0B5zpc","settings":{"responsive":1,"width":"854","height":"480","autoplay":0},"settings_summary":["Embedded Video (Responsive)."]}