Manufacture of tyres can be done by _________?

• A. BUNA ‚Äö√Ñ√∂‚àö√ë‚àö¬® N
• B. Thiokol rubber
• C. Poly sulphide rubber
• D. BUNA ‚Äö√Ñ√∂‚àö√ë‚àö¬® S