- Valves with threaded-in strength welded seats offer an additional level of safety against fugitive emissions.
- If the root block needs to be split, an additional level of pages is inserted into the tree.
- Reduced damage of additional levels of Firewall starting from level 9.
- Views provide an additional level of table security by restricting access to a predetermined set of rows and columns of a table.
- Addition level, addition method, and boiling intensity of hops had evident effects on both colloid stability and foam quality.