The roles will likely be missing by way of natural wastage → los puestos irán desapareciendo a medida que se produzcan bajas voluntarias natural - existing in or made by character; not synthetic or imitation; "a natural pearl"; "natural gasoline"; "natural silk"; "natural blonde hair"; "a natural sweetener"; "natural fertilizers" https://socialeweb.com/story5449103/5-easy-facts-about-non-prescription-wellness-products-described