Protective clothing is worn to protect either the wearer's body or other items of clothing. Conversely, special clothes may protect the working environment from pollution and/or infection from the worker, for example in a microchip[?] factory. The protection may also be important both ways, as with the use latex gloves[?] by surgeons and dentists[?].
Examples:
apron protects the body and other clothing (also used as distinction by waiters[?])
... of completing the square[?].
<math>ax^2+bx+c=0</math>
Dividing our quadratic equation by a, we have
<math>
x^2 + \left( \frac{b}{a} \right) x + ...