1 The way your foot is shaped puts too much pressure on your big toe joint. Because bunions can run in families, some experts believe that the inherited shape of the foot makes some people more likely to get them.  Your foot rolls inward too much when you walk. A moderate amount of inward roll, or pronation, is normal.
Step 3: Route 2: Earn a Certificate or Degree. Enroll in an HVAC certificate or associate's degree program at a community college, trade school or technical academy. The programs can take between six months and two years to complete.
Once an employer files an H-1B case petition (on Form I-129), the processing is in the hands of U.S. Citizenship and Immigration Services (USCIS). Some applicants receive approval in as few as 30 days, others may wait as many as 90 days.