Table 4: Questionnaire about the simulator.
| Exercise type | Median | Mean | Deviation |
| P1- The easiness of the remote for the shotcrete spraying process | 4 | 3.75 | 0.74 |
| P2- The easiness to concentrate on exercise and not on understanding the devices | 4 | 3.62 | 0.86 |
| P3- How comfort is to use the TS to real shotcrete machine | 4 | 3.95 | 0.87 |
| P4- Your motivation for doing simulator exercises | 4 | 3.95 | 0.84 |
| P5- Entertainment of the usage of the TS | 4 | 4 | 0,81 |
| P6- Assimilation of ideas with the simulator | 4 | 4.1 | 0.87 |
| P7- The formative capacity of the TS | 4 | 3.9 | 0.7 |