• Tech Mage - a class skilled in technology and effective with energy based weapons
• Bounty Hunter - a balanced class, most effective with mounted wrist blades
• Mercenary - a stronger but slower class most effective with melee weapons

Some of the barriers of effective communication in class may be insecurity and shyness. Also, there may be cultural differences hindering communication.

Metals. :)

Class B extinguishers are used for liquid fires, typically gasoline and oil fires. Extinguishers rated ABC will be effective against all three classes, but seldom as effective as a dedicated Class B extinguisher.

Class 1: 100 % effective in more than 80 % of the treated herd