The Evolution of OTW Red Dot

https://mike-wiki.win/index.php?title=How_Technology_Is_Changing_How_We_Treat_OTW_Red_Dot

A gun is a ranged weapon ordinarily built to pneumatically discharge projectiles[one] that are stable (most guns) but will also be liquid (as in h2o guns/cannons and projected drinking water disruptors) or even