No two situations are the same, nor are any two officers. In a potentially threatening situation, an officer will quickly tailor a response and apply force, if necessary. Situational awareness is essential, and officers are trained to judge when a crisis requires the use of force to regain control of a situation.
Iron is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.It is the fourth most common element in the Earth's crust.ron reacts with oxygen in the air to form various oxide and hydroxide compounds; the most common are iron(II,III) oxide (Fe 3 O 4), and iron(III) oxide (Fe 2 O 3). Iron(II) oxide also exists, though it is unstable at room temperature.
Parent Category: Ancient History. Characterized by the introduction of iron metallurgy, the Iron Age is the period in cultural development which succeeded the Bronze Age. It was the final technological and cultural state in the Three-Age System of the Stone, Bronze, and Iron Age.