Labor certification is  a United States of America immigration process step. Its stated goal is to protect U.S. workers and the U.S. labor market by ensuring that foreign workers seeking immigrant visa classifications are not displacing equally qualified U.S. workers..
Confidence votes 24.1K. Local winds are caused by unequal heating within a small area. Global winds are created from all around the Earth due to breezes that make Wind. See nasa.gov/nasatv. Local winds are caused by unequal heating within a small area. Global winds are created from all around the Earth due to breezes that make Wind.
Trade Winds. Blowing from the subtropical highs or horse latitudes toward the low pressure of the ITCZ are the trade winds. Named from their ability to quickly propel trading ships across the ocean, the trade winds between about 30Â° latitude and the equator are steady and blow about 11 to 13 miles per hour.