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.
For other uses, see Maraca (disambiguation). The sound of maracas. Maracas ( pronunciation ), sometimes called Rumba shakers, shac-shacs, and various other names, are rattles which appear in many genres of Caribbean and Latin music.