 | This user is an engineer. |
 | This user is a participant in WikiProject Engineering |
 | This user is a participant in WikiProject Robotics. |
 | This user is a participant in WikiProject Electronics. |
 | This user is a member of the Technology WikiProject. |
| This user is an engineer. |
| This user is a participant in WikiProject Engineering |
| This user is a participant in WikiProject Robotics. |
| This user is a participant in WikiProject Electronics. |
| This user is a member of the Technology WikiProject. |