Graham bell worked a lot and took risks for inventing this Telephone apart from is electrical knowledge .
Graham Bell worked a lot and took risks for inventing the telephone apart from his electrical knowledge . Graham Bell worked a lot and took risks for inventing the telephone , apart from his electrical knowledge . Apart from just using his electrical knowledge , Graham Bell worked a lot and took risks in order to invent the telephone . Apart from his electrical knowledge , Graham Bell also worked hard and took risks to invent the telephone .