What are the correct answers to the following questions about technical device operation and maintenance based on a given text?

Here are the answers to the questions based on the provided text:

1. A technical device intended for use in the field must have:

b) a valid decile for operation issued by the authority of the relevant destors
This option, interpreted as a valid permit for operation issued by the relevant authority, is a crucial requirement for the legal use and exploitation of many technical devices, especially those under technical supervision.

2. The scope of the mentioned activities does not fall within the scope of duties of the UTR operator:

a) performing minor repairs to the device within the scope of your education and skills
Operators are generally responsible for operating the device safely and performing basic checks, but not for performing repairs, even minor ones, unless specifically trained and authorized as a maintenance technician.

3. Deadlines for maintenance inspections of technical equipment:

c) specified in the report by the inspector performing the test
For regulated technical equipment, the specific deadlines for subsequent mandatory inspections are often determined and documented by the authorized inspector in their report after a periodic test.

4. We call it technical supervision:

a) activities specified in the Act aimed at ensuring the safe operation of technical equipment and devices for removing fuel vapors, as well as activities aimed at ensuring public safety in these areas
This option provides a definition of what technical supervision is by describing its purpose and scope of activities, rather than naming the institutions that perform it.

5. Technical supervision over technical devices is carried out by:

b) Dorora Technicanego Office and organizations authorized by the Office of Technical Inspection
Interpreting "Dorora Technicanego Office" as the Office of Technical Inspection, this option accurately describes that technical supervision is performed by the main inspection authority and other entities that it has authorized.

6. A change in technical parameters or a change in the design of a technical device is considered:

a) madeiration of the technical device
This option, interpreted as modernization or modification, correctly