They must simply be healthy, do not have physical problems that allow running or jumping. Ideally, the agility begins to teach, as a game, when the dog has already surpassed his stage as a puppy. Before, the game will surely become an excuse to do their mischief, and also is not yet mature and prepared […]

In the flotation process of flotation separator, the main factor is the mineral affinity for water. The flotation state has nothing with the ore density, that is to say, the flotation of the minerals is ralated with the affinity for water. Generally, if the minerals have large affinity for the water, it will be easy […]