How to Explain OTW Red Dot Sight to Your Boss
https://wiki-planet.win/index.php?title=20_Resources_That'll_Make_You_Better_at_Airgun_Blog
A gun is actually a ranged weapon usually intended to pneumatically discharge projectiles[one] that are strong (most guns) but will also be liquid (as in h2o guns/cannons and projected drinking water disruptors)