Food Cheese, Cheddar is not acid - it is ok to consume it without worries about heartburn. For more details search on food acidity and alkalinity look at the list below. Items with higher values are the safest for your stomach. For more details on specific food items and whether they cause heartburn or not take a look at Food Database.
Width is otherwise known as the breadth. It is the distance from one side to the other side which measures across a particular shape or object whose lengths are forming right angles with the sides as in the case of a rectangle.
Enter the facing width (from the left most point of one side to the right most point of that side) and the facing length (the length of a perpendicular between the measured side and its opposite) in the same manner. The facing side of a brick is the EXPOSED part.