4 ms·
e.g. trenching on a hillside using compressed air: https://www.youtube.com/watch?v=ur8nbEJxXD8 https://www.youtube.com/watch?v=ur8nbEJxXD8
by HillaryBriss 9y ago
e.g. trenching on a hillside using compressed air: https://www.youtube.com/watch?v=ur8nbEJxXD8 https://www.youtube.com/watch?v=ur8nbEJxXD8
- noonespecial 9y agoWow. Just goes to show: No matter how novel you think your great idea is, someone else has probably though of it too.