A joint is formed by joining two structures using a joint element. The method comprises assigning a first article to the assortment via a first intermediate link, and assigning a first validity period to the first intermediate link to determine a first time period during which the first article is in the assortment. at normal or increased pressure, with a base being added after a short mixing time and d) reprotonation is carried out using a mineral acid, optionally after one or more washing steps, resulting in the alkylated, cross-linked polymers containing N- or amino, ammonium or spirobicyclic ammonium groups, accordingly. In a third step, the digital output value is serially sent via the first contact and the second contact with the switch open or closed depending on the binary structure of the digital output value. 0; an organic solvent selected from and : an aromatic alcohol; and a polypropylene glycol having a molecular weight of from 200 to 1,000; and a hydroxy monocarboxylic acid or a dicarboxylic acid. The composite material contains a laminate formed from a mixture of magnetic or magnetizable particles, binder particles, applied to and fused andor coalesced with a first substrate.