Please note-your Facebook contacts can only be unsynchronised by deleting the connected email account. Alternatively, you can hide your Facebook contacts within your Nokia Lumia 1020's People settings. 1  From the Start screen, swipe to the left. 2  Scroll down to and tap Settings.
Licensing. While requirements vary, most states require plumbers to obtain licenses before they can work independently. Typical requirements include two to five years of experience and passing an exam covering trade techniques and national or local codes.
How to Become An HVAC Technician. If you want to become an electrician, here are the steps to take: Earn your high school diploma or GED. A foundation of math, shop-classes and science is a great start to becoming a successful HVAC tech. Computer training and proficiently using power tools are not necessary, but will make training that much easier.