(A) chromium and nickel
(B) sulphur, phosphorus, lead
(C) vanadium, aluminium
(D) tungsten, molybdenum, vanadium, chromium
(E) zinc
(A) chromium and nickel
(B) sulphur, phosphorus, lead
(C) vanadium, aluminium
(D) tungsten, molybdenum, vanadium, chromium
(E) zinc
| Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *