Which process enables the use of resources repeatedly

Reversible process

Explanation:

Reversible process is the process in which the reactants and the products both are used. They both are produced also. We can consume either the product or the reactant. So, if we need a resource to be produced repeatedly, we should put it in a reversible process.

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

you did not attach the discourse, but i assume it to be the discourse on the origin and basis of inequality among men (the original titile in french is: "discours sur l'origine et les fondements de l'inégalité parmi les hommes"), also know as "second discourse". in this discourse, jean-jacques rousseau emphasizes that private property is the basis of all inequalities.

therefore, what enabled the old regime to maintain as long as it did was private property.