Some examples are Science! for energy weapons, Armorer for all but the most basic armor pieces, and Demolition Expert for anything more complex than a Molotov cocktail. In addition, certain crafting-related perks are mandatory. Unlike in previous games, in order to craft or modify an item, it is not generally required to learn schematics, as the majority of craftable items is already known by default, with only a few having to be learned by alternate means, e.g.
Crafting components are accessed and consumed either via a settlement's workshop, or directly from the player's inventory. They may be also be purchased from merchants. Each crafting process consumes a certain amount of components, which can be acquired from scrapping junk items at a crafting table, or world objects such as trees or cars, at an allied settlement. In particular, these are the production of settlement objects, items and item modifications.
Crafting in Fallout 4 refers to multiple ways of creating objects and items in the game.
