The parties often refer to the result of the negotiation as a collective bargaining agreement (CBA) or as a collective employment agreement (CEA).
When theyâre happy and satisfied they make a humming sound. This sounds like a blend of buzzing and humming. When in danger alpacas will sound an alarm which sounds a little like a horseâs whinny. And, as you now know, before mating alpaca stallions âorgleâ.
The dolphins often make up new sounds that are mimicked by their pool mates and passed around the facility. 1  Dolphins make sounds in air by releasing air through their blowholes. The dolphins have great muscle control over their blowholes and can alter the sounds by changing the size and shape of the blowhole opening. At DRC, the dolphins apparently vocalize to get peopleâs attention as they walk by the lagoons.