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..
How are local winds and global winds differ? local winds-are winds that blow over short distances caused by unequal heating of the earths surface in a small area. global winds-are winds that blow around the earth from â¦ the north pole to the south pole.
Best Answer: There are 2 main types of winds: 1) Local Winds 2) Planetary Winds Local Winds: Local Winds are formed due to the difference in pressure between 2 areas. This difference in pressure is normally caused difference in temperature which may be due to several geographical factors. When the temperature rises, it causes a region of low pressure and when the temperature falls, a region of high pressure is created.