Politics (from Greek: πολιτικά, translit. Politiká, meaning "affairs of the cities") is the process of making decisions that apply to members of a group.
I can't help feeling wary when I hear anything said about the masses. First you take their faces from 'em by calling 'em the masses and then you accuse 'em of not having any faces.
J. B. Priestley in Saturn Over the Water (1961) ch. 2.
Cost and durability represent the main obstacles to full commercialisation of proton exchange membrane fuel cell (PEMFC) technology for vehicles. An EU-funded project is developing suitable materials for high-performance PEMFCs with a long lifetime.