The vector datatype allows for some interesting and flexible component selection called swizzling. Swizzling allows for the following syntax:
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Components of a vector can be accessed via vec.xwhere x is the first component of the vector. You can use .x, .y, .z and .w to access their first, second, third and fourth component respectively. GLSL also allows you to use rgba for colors or stpq for texture coordinates, accessing the same components.
When companies are trying to find a state to locate a new business or factory, they look at a number of factors - including tax structure, employment base, infrastructure, education system, etc. One of the most important is a strong and sound health care system in the communities where employees will work and live.