how to design database with relationship

Question

Hello Guys

 

Please Help Me

 

Firstly I know is this scenario for IT Inventory is right or wrong ? then I will design new system and database for IT Inventory, I designed 3 tables as below:

 

Employees TBL: EmpNo. , EmpID , EmpName , Telephone , Dept. , Mobile ,Email , City , Branch.

New Item TBL : ItemID , ItemBarcode , Model , ItemDesc. , PartNo.

Custody TBL: Connect item With Employee : EmpNo. , ItemBarcode , Model , ItemDesc. , PartNo.

 

I want to define the relationship between three tables above.

 

Thanks.