The tooth spaces trap fluid and force it around the outer periphery. Semi-peripheral nations are those that are midway between the core and periphery. The nucleus is flattened and located on the periphery. This assures contact with the groove along the entire periphery of the ring. Semiperipheral nations are midway between the core and periphery. The result is a gradual decrease in light intensity towards the image periphery. It has double walls around its periphery with gardens. This involves moving an argument from the periphery into the core. The inhabitants of the periphery abandoned the site soon after. Tsipras campaigned as the only candidate of the south periphery countries. This argument has elements of Marxist conceptions of a core and periphery. All terminals and hangars were on the square periphery. "Diamond wheels" are grinding wheels with industrial diamonds bonded to the periphery. South Pirin is composed of granite with marbled limestone in the periphery. Christianity penetrated Arabia from numerous points on its periphery.