Send the following on WhatsApp
Continue to ChatRotational surfaces with rotations in x3x4-plane - https://avesis.uludag.edu.tr/yayin/0edbd120-b24a-43f4-a937-5760c94c8f9b/rotational-surfaces-with-rotations-in-x3x4-plane
Rotational surfaces with rotations in x3x4-plane - https://avesis.uludag.edu.tr/yayin/0edbd120-b24a-43f4-a937-5760c94c8f9b/rotational-surfaces-with-rotations-in-x3x4-plane