Effective January 1, 2017 the minimum wage for all industries will be $10.50 per hour for employers with 26 more or more employees and shall remain at $10 per hour for employers with 25 or fewer employees. The minimum wage shall be adjusted on a yearly basis through 2023 according to the pre-set schedule shown above.
A 20 degree pressure angle allows for a smaller gear with less teeth before they begin to undercut making the base thinner than the pitch circle thickness of the tooth.
Many experts say that the angle for a bolt-on neck should be between zero and five degrees. From my experience, this is correct in most cases. But what I find even more important is how you adjust the neck to its optimal angle. When this is done properly, your guitar will play and sound at its best.