What is the heaviest rod he can hold without slipping if his hands are dry?

Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use

Guys plz and say a best answer i will give 15 points how we should prepare for a scholarship exam