Here are the answers to questions 3 and 4: 3. Deadlines for maintenance inspections of technical equipment: c) specified in the report by the inspector performing the test Explanation: For technical equipment under regulatory oversight, the specific dates for subsequent mandatory inspections are typically determined and documented by the authorized inspector in their official report after a periodic test. This ensures that the inspection schedule is based on the equipment's actual condition and regulatory requirements. 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 Explanation: Technical supervision refers to the set of regulatory activities established by law (an "Act") to guarantee the safe operation of specific technical equipment and to protect public safety in relation to these devices. This option provides a comprehensive definition of the concept.