A firefighter enters a burning building. In addition to his ＿＿（46）＿＿ clothing, boots, gloves and helmet, he also has a head-up-display (HUD), which presents key data in his field of vision. Moreover, his clothing is fitted with various sensors that feed the artificial intelligence that follows the firefighter with the firefighter's position, temperature data, toxic gases and other ＿＿（47）＿＿ warnings. The artificial intelligence ＿＿（48）＿＿ the data, simultaneously collecting information from different sensors in the building and from databases with technical drawings of the structure. Based on all the data, the artificial intelligence sends instructions to the firefighter via his HUD, enabling him to ＿＿（49）＿＿ safely through the building. Moreover, if there is a group of firefighters who, for example, need to fight the blaze or ＿＿（50）＿＿ trapped occupants, the artificial intelligence can suggest ways in which the firefighters can work together to successfully perform their task.