Answer:
The main characteristics of this article are:
The content in this "how-to" article is displayed effectively, containing basical information about the importance of people cutting their dog's nails followed by an inventary of things that they will need to carry the procedure out.
Later on, the steps proceed are well organized so as to follow them in order and take into account every aspect of the technique. Finally, some advice and recommendations are given in order to prevent harming the dog and avoid ruining the owner's property.
All these elements make the article very effective, avoiding excessive information and complicated terminology, so as to allow middle-aged people and adults to read it, that is to say, people who are responsible enough to take care of their pets.