Look here for a diagram of a stapler, perhaps you can use www.Google.com to search for other stapler diagrams.
http://www.emeraldinsight.com/fig/0330260409001.png
Lower parts of the body vs. upper parts of the body, e.g. arms(upper), legs(lower).
Michigan has an upper and lower peninsula
internal parts of a leaf =D
The upper parts of extremities consist of @arms @ hands The lower paras of extremities consist of @legs @feet
The upper mantle is harder than the lower mantle
The maxilla (and hard palate) forms the upper part of your mouth and contains your upper teeth. The mandible, or jaw, forms the lower part of your mouth and contains your lower teeth.
lower, middle and upper
between lower, middle and upper class
The glottis is dividing line between the upper and lower airway
lower extreme,upper extreme,upper quartile, lower quartile, and the median
Egypt was divided into two parts, upper and lower Egypt.
The upper mantle and the lower mantle.