Three questions

[Rastix]

Google translation

And has a maximum diameter of the vessel, the frame seems to be included with the transparency
; Frame transparency decreases with decreasing diameter


The minimum diameter of the vessel, the frame is visible for visibility without transparency

[Goblin Wizard]

Generally, to read Russian text you need to change code page to windows-1251. You'll see the normal Cyrillic letters which you can copy/paste to google or babelfish (sometimes easier to understand).