Table 2.
Subjects’ responses on the meaning of the safety sign. Note: Correct answers are in bold and italics.
| ISO 7010 Number | Sign | Choices for the meaning of the sign | n | % |
|---|---|---|---|---|
| W020 | ![]() |
Do not replace the bulb unless you are authorized | 8 | 5.8 |
| Excessive light source | 28 | 20.4 | ||
| Falling object hazard | 53 | 38.7 | ||
| Overhead obstacle | 48 | 35.0 | ||
| Missing | 2 | |||
| E034 | ![]() |
Slide equipment to move | 8 | 5.8 |
| Refrigerator can move | – | – | ||
| Door slides left to open | 66 | 47.5 | ||
| Exit door is on the left side | 65 | 46.8 | ||
| Missing | – | |||
| M021 | ![]() |
Disconnecting the machine or equipment before carrying out maintenance or repair | 114 | 84.4 |
| The train changes track | 4 | 3.0 | ||
| Pull the handle to stop | 6 | 4.4 | ||
| Change the line | 11 | 8.1 | ||
| Missing | 4 | |||
| P041 | ![]() |
Go back to work | – | 0.0 |
| No pushing | 3 | 2.2 | ||
| Waiting is forbidden here | 20 | 14.5 | ||
| No leaning against | 115 | 83.3 | ||
| Missing | 1 | |||
| W016 | ![]() |
Electrical hazard | 3 | 2.2 |
| Danger of death | 101 | 73.2 | ||
| High voltage | 3 | 2.2 | ||
| Toxic material | 31 | 22.5 | ||
| Missing | 1 | |||
| E007 | ![]() |
Evacuation assembly point | 137 | 98.6 |
| Attention, there are people nearby | 2 | 1.4 | ||
| Entry is prohibited. Only certain people can enter. | – | 0.0 | ||
| Enter with a group | – | 0.0 | ||
| Missing | – | |||
| M012 | ![]() |
Stairs | 7 | 5.1 |
| Escalator | 51 | 37.0 | ||
| Use handrail | 66 | 47.8 | ||
| Inclined road | 14 | 10.1 | ||
| Missing | 1 | |||
| F016 | ![]() |
Prevent the spread of fire | 29 | 21.2 |
| Protect yourself from fire | 32 | 23.4 | ||
| Location of a fire blanket | 73 | 53.3 | ||
| It is forbidden to approach the fire area | 3 | 2.2 | ||
| Missing | 2 | |||
| E012 | ![]() |
Take a shower before entering the building | 16 | 11.5 |
| Location of a safety shower | 123 | 88.5 | ||
| Do not use this device in a bathtub, shower, or water-filled reservoir | – | 0.0 | ||
| Caution, you may get wet | – | 0.0 | ||
| Missing | – | |||
| W018 | ![]() |
Low temperature/freezing conditions | 1 | 0.7 |
| Machinery may start automatically | 56 | 40.9 | ||
| Heavy wind | 32 | 23.4 | ||
| Biological hazard | 48 | 35.0 | ||
| Missing | 2 | |||
| P011 | ![]() |
No open fire | 10 | 7.2 |
| No fire | 6 | 4.3 | ||
| Do not extinguish with water | 116 | 84.1 | ||
| Do not extinguish the fire | 6 | 4.3 | ||
| Missing | 1 | |||
| M006 | ![]() |
It is forbidden to insert the plug into the outlet | 3 | 2.2 |
| Disconnect mains plug from the electrical outlet | 54 | 38.8 | ||
| When pulling the plug from the outlet, pull the plug, not the cord | 54 | 38.8 | ||
| Disconnect the plug before carrying out maintenance or repair | 28 | 20.1 | ||
| Missing | – | |||
| P014 | ![]() |
Choking hazard | 12 | 8.8 |
| No reaching in | 7 | 5.1 | ||
| No access for people with metallic implants | 112 | 82.4 | ||
| Crushing of hands | 5 | 3.7 | ||
| Missing | 3 | |||
| E015 | ![]() |
Turn off the tap after use | 22 | 16.1 |
| Hot water | 6 | 4.4 | ||
| Location of drinking water | 99 | 72.3 | ||
| Not drinking water | 10 | 7.3 | ||
| Missing | 2 | |||
| P020 | ![]() |
Do not use lift in the event of fire | 132 | 95.0 |
| Do not use the lift for more than one person | 4 | 2.9 | ||
| Do not use the lift for people | – | 0.0 | ||
| Do not approach with open flame | 3 | 2.2 | ||
| Missing | – | |||
| W003 | ![]() |
Aircraft flight area | 4 | 2.9 |
| Chemical spill hazard | 2 | 1.4 | ||
| Radioactive material or ionizing radiation | 131 | 94.2 | ||
| Biological hazard | 2 | 1.4 | ||
| Missing | – | |||
| M029 | ![]() |
Sound horn | 109 | 78.4 |
| Do not sound horn | 3 | 2.2 | ||
| Caution, very high horn sound | 25 | 18.0 | ||
| Horn can be played at certain times | 2 | 1.4 | ||
| Missing | – | |||
| E008 | ![]() |
Clear the glass | 7 | 5.1 |
| Glass breakage hazard | 42 | 30.7 | ||
| Holding the bar is prohibited | 21 | 15.3 | ||
| Break to obtain access | 67 | 48.9 | ||
| Missing | 2 | |||
| P048 | ![]() |
Do not run | 124 | 89.2 |
| No pedestrian | 10 | 7.2 | ||
| No thoroughfare/trespassing | 5 | 3.6 | ||
| Use this walkway | – | 0.0 | ||
| Missing | ||||
| W024 | ![]() |
No reaching in | 28 | 20.1 |
| Put your hand inside | 9 | 6.5 | ||
| Do not touch | – | 0.0 | ||
| Crushing of hands | 102 | 73.4 | ||
| Missing | – | |||
| M005 | ![]() |
Connect an earth terminal to the ground | 111 | 79.9 |
| Heavy load (dumbbells) | 9 | 6.5 | ||
| High radiation area | 2 | 1.4 | ||
| Strong signal area | 17 | 12.2 | ||
| Missing | – | |||
| E010 | ![]() |
Location of an automated external heart defibrillator device | 37 | 27.4 |
| High voltage power can cause your heart to stop | 55 | 40.7 | ||
| No access for people with active implanted cardiac devices | 20 | 14.8 | ||
| Check the power level of your implanted cardiac device | 23 | 17.0 | ||
| Missing | 4 |





















