Of liquid droplet development with a solid surface area as well as 3 interface free of charge energies of reliable, liquid, and fuel: 50 % gallon translucent tank: The rust resistant tank is translucent so that you can see fill degree when working which makes it much easier to fill, https://1stlinkdirectory.com/listings13052249/5-simple-statements-about-spraying-construction-soil-explained