That terminology has stuck, but it doesn't actually refer to specific chemicals because these chemicals come in a lot of different shapes and forms.
La terminologie est restée mais elle ne désigne pas des composants chimiques spécifiques parce que ces composants existent sous des tas de formes différentes.
That terminology has stuck, but it doesn't actually refer to specific chemicals because these chemicals come in a lot of different shapes and forms.
La terminologie est restée mais elle ne désigne pas des composants chimiques spécifiques parce que ces composants existent sous des tas de formes différentes.