Abunsen burner is used for heating in a laboratory. which safety procedure is important to follow when using a bunsen burner?

Do not point the bunsen burner to the sides unless told so, wear safety goggles and a lab apron because the chemicals can spew out when it gets too hot, hold the bunsen burner on the bottom and never at the top, and keep it away from anything unless the lab instructor tells you to heat something up.

Balkan nationalism increased tensions between austria and russia