(A) Aluminium foil
(B) Coal dust
(C) Refractory bricks
(D) Iron plates
(A) Aluminium foil
(B) Coal dust
(C) Refractory bricks
(D) Iron plates
| Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *