| 1. To disconnect a wire from the "minus" plug of the battery. |
| 2. To wring out a screw-driver carefully spring clip towards a plafond and to take out a plafond. |
| 3. To replace a lamp. |
| 4. To establish a plafond into place, having entered at first a ledge from the switch, and to latch a plafond, having pressed it to a ceiling. |
|