Anvils allow you to rename items, repair enchanted items, and even combine the enchantments from different items, at the cost of experience points. Crafting. You'll need 3 blocks of iron, plus 4 more iron bars, for a total of 31 iron bars.
Passivation is the treatment of the surface of stainless steels, often with acid solutions (or pastes), to remove contaminants and promote the formation of the passive film on a freshly created surface (e.g. through grinding, machining or mechanical damage).
The estivation (Summer sleep ) : an other state of dormancy in which like other species snails spend periods of heat or drought in warmer latitudes. 1 - estivation: The snail lives short periods of great activity, which are essential for building up its reserves. These allow him a slowed down long term life.