Becuz the wanted More people to be able to get moving..!
Railroads are generally laid in four foot, eight inch widths. This was first started by George Stephenson.
The trains may be wider then others and others my have more passengers which might weigh them down
Widths were set by each rail company, which meant that equipment could not be used on other rail lines. The railroads, together with the governments, established standard rail gauges.
A code that consists of vertical lines of different widths is a barcode.
Different pools have different proportions.
it depends on the artery. different arteries have different widths.
Feet have many different widths so pointe shoes need too have many different widths too. 1X would be a narrow foot and 4X would be wider. There are also 2X, 3X, and many more widths in different kinds of shoes.
Yes, they come in widths to match the standard width of doors, like 30 and 36 inch.
rectangle
Rectangles
Different tables will have different widths: there is no standard measure.
Widths and lengths are two entirely different things. They don't go into anything other than Length x Width = Area.