What are the four forces engineers are concerned with in structure design

Okay i get points for it lol!

Forensic inspection of the rom or persistent memory does not include overwritten or erased text files e-mails sent web sites visited recently password-protected records

After spending all that time on the research then by all means modify the hypothesis or aim by reporting such. for example the findings did not bring forth what was expected but brought about different yet interesting findings worth exploring so the hypothesis is changed to reflect this new findings.

i may be way off but.