The PyroLance water gun utilizes a combination of high-pressure water and a granite abrasive to cut through brick, concrete or steel, in order to extinguish fires behind barriers.
https://www.youtube.com/watch?v=5TiAQR57650
Previously:
https://www.homemadetools.net/forum/...779#post118917
https://www.homemadetools.net/forum/...318#post121888
https://www.homemadetools.net/forum/...3576#post99483
https://www.homemadetools.net/forum/...3122#post98114
https://www.homemadetools.net/forum/...619#post118019
https://www.homemadetools.net/forum/...010#post115171
