Here are some of the most common types of eruptions: In a Hawaiian eruption, fluid basaltic lava is thrown into the air in jets from a vent or line of vents (a fissure) at the summit or on the flank of a volcano.
The underscore sign is mainly used to show a space where a space is not allowed, such as in internet usernames, email addresses and some computer programs. The underscore looks like a dash below the letters (_).
The Recognized Component Mark is a type of quality mark issued by Underwriters Laboratories. It is placed on components which are intended to be part of a UL listed product, but which cannot bear the full UL logo themselves.