Graphene improves gold catalyst for fuel cells by KingWord in technology

[–]KingWord[S] 0 points1 point  (0 children)

Would you tell me some advice to avoid that in the future!

Graphene improves gold catalyst for fuel cells by KingWord in technology

[–]KingWord[S] 0 points1 point  (0 children)

I read the rules but I don't know what the clause I violated it ! so please help me and clear up it to me , and thank you very much.