Ford has beaten General Motors for the first time in nearly a century, in terms of number of US factory workers. Ford has 50,703 to GM's 50,300 or so.
Answers. Well, the simplest answer is that the astrolabe pretty well had to be used at night and could not be used in bad weather. The compass, which relys on the magnetic field of the Earth rather than a visualiztion of the stars, works at any time, and in any weather.
The limitations of the study are those characteristics of design or methodology that impacted or influenced the interpretation of the findings from your research.escriptions of limitations should be stated in the past tense because they were discovered after you completed your research. Possible Methodological Limitations. 1  Sample size -- the number of the units of analysis you use in your study is dictated by the type of research problem you are investigating.