How Does Hydrogen Power Work: Hydrogen is efficient fuel to use to generate electricity. It is available in great amount and does not put negative effects like emission of harmful gases or greenhouse effect. This non-toxic gas is easy to produce from many renewable energy sources.
Noun. 1. sheikh-the leader of an Arab village or family. Arab chief, sheik, tribal sheik, tribal sheikh. ruler, swayer-a person who rules or commands; swayer of the universe.
ruler. n. 1. (Government, Politics & Diplomacy) a person who rules or commands. 2. (Tools) Also called: rule a strip of wood, metal, or other material, having straight edges graduated usually in millimetres or inches, used for measuring and drawing straight lines.thnarch-the ruler of a province (as in the Roman Empire and Byzantine Empire) or certain religious rulers with secular authority; the election of Makarios III to archbishop gave him the status of the ethnarch of Cyprus. hakim-a Muslim ruler or governor or judge.