The site of injection is usually rotated when injections are frequently given. The maximum amount of medication that can be subcutaneously injected is about 2 ml. Needles are generally 3/8 to 1 inch in length and 24 to 27 gauge.
Salary Outlook. According to the BLS, mechanical engineers earned a median salary of $82,100 in 2013. The best-paid earned about $123,340, while the lowest-paid earned less than $52,550. Industries that pay well include oil and gas extraction as well as information services.est Paying Cities for Mechanical Engineers. The highest paid in the mechanical engineer profession work in the metropolitan areas of District of Columbia, San Jose, California, and Taunton, Massachusetts.
Average Mechanical Engineer Hourly Wage in the United States. Mechanical Engineers earn a median hourly wage of $40.19. Hourly wages typically start from $25.79 and go up to $61.74. Average Mechanical Engineer Yearly Salary in the United States. Mechanical Engineers earn a median salary of $83,590 per year. Salaries typically start from $53,640 and go up to $128,430. Learn more about the Mechanical Engineer job market for salaries of real jobs in your area.