Write the next sentence in this paragraph:

How to replace a lamp switch
Purchase a new socket switch from a hardware store.
Your new switch can be whatever type you prefer, regardless of the existing switch. For instance, if your lamp has a pull chain but you want to install a 3-way turn knob, all you have to do is buy a 3-way turn switch and a light bulb with 2 brightness levels.

Choose from:
+You can even replace a socket switch with a cord switch. Just purchase a new socket assembly without a switch and follow the instructions for replacing a cord switch..
+You can also use your current bulb's exact position as an indication of which direction the handle (that dangling end) is turning. If your two rotating handles have been turned inward, the handle will both turn inward..
+2-way turn switches work best with wall outlets in homes and porch lights. You also have access to the power supply and heater if needed; however, you may need to upgrade your under-turned switch as you progress..
+In this example, your " black " socket switch can be bought for less than $45. Order a new switch and opener if necessary..
You can even replace a socket switch with a cord switch. Just purchase a new socket assembly without a switch and follow the instructions for replacing a cord switch.