Read the case study in the attached document. At the end of reading, answer the

Read the case study in the attached document.
At the end of reading, answer the following questions:
What were the main topics covered in this study? 
What type of short- and long-term actions did the company take to improve performance and efficiency at the site?
Was there a link between on-site work aids and employee performance?
In this case, what other alternatives could be used to improve workplace performance?
Contribute a minimum of 2 pages. It must include at least 2 academic sources, formatted and cited in APA.