| Artist | : | Isometric Drawing Double Rolling (Box Rolling )Isometric Drawing Engineering Drawing |
| Title | : | Dhir Piping knowledge |
| Duration | : | 11 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Isometric Drawing Double Rolling (Box Rolling )Isometric Drawing Engineering Drawing |
| Title | : | Dhir Piping knowledge |
| Duration | : | 11 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |