A market research company maintains a database of applications of 3-D printing in industry worldwide. It records which industry the application is used in, whether the material used is a metal alloy or a polymer, and the maximum dimension of the object printed. It publishes an annual report listing all applications recorded during the past year and also a statistical summary of trends in applications over the history of 3-D printing to date. These reports are sold to companies that are considering implementing new applications of 3-D printing in their operations as examples of what is being done elsewhere.

a) Identify the Five W's and also How.

b) Identify which data (if any) are 

{i) Quantitative/categorical 

(ii) Cross-sectional/time series 

(iii) Primary/secondary