OSHA presentation paper and powerpoint 4-6 pages and 10-15 slides

I choose DHL company . I want you to search about it. 

1. why DHL use OSHA ?

2. why dose DHL implements the use of OSHA?

3. benefit  of DHL using OSHA.

4. the history of DHL .

the presentation should be :

 . Introduction

 . Issues 

 . Solutions

 . Conclusion 

 . Lessons Learned