Ear tag ear is tagged. Australian sheep and goats are required to have visually readable ear tags printed with a Property Identification Code (PIC). They are complemented by movement documents supplied by consignors that are used for identification and tracking. Very small ear tags are available for laboratory animals such as mice and rats. They are usually sold with a device that pierces the animal's ear and installs the tag at the same time. Lab animals can also be identified by other methods such as ear punching or marking (also used for livestock; see below), implanted RFID tags (mice are too small
Viking raid warfare and tactics captives back to their country' in 882". Warriors could be as young as 11 years old. Various basic physical tests were required to join the Viking forces, but these tests were considered easy to pass. The battle axe was popular amongst Norsemen in the Viking Age, but its popularity is often misunderstood in modern culture. The battle axe was not seen as a superior weapon to the spear, and historical evidence shows that its use was rather limited. It was commonly used for agricultural purposes, as well as shipbuilding, and eventually adapted for use in Viking raids. Axes varied in