Duties. Tire technicians install, balance, repair and rotate tires. They also might stud tires for snow, repair run-flat tires, retread worn off-the-road tires or complete other specialty tire work.
Giant salamander is the world's largest living amphibian and is known as 'the living fossil' because it has remained largely unchanged for 170 million years. Surprising catch: Wu Shuying (right), 51, said her husband was fixing a blocked pipe when they saw the critically endangered animal trapped inside the tube in their home in Wuhan, China
Despite subsequent federal protection under the Marine Mammal Protection Act and the Endangered Species Act, southern and northern sea otters continue to be a threatened species. Most recently, the northern population (Enhydra lutris kenyoni) located in southwest Alaska was listed as threatened in 2005. Since the 1990's northern sea otters have undergone one of the worst population declines of carnivorous mammals in recorded historyâand the Alaska SeaLife Center (ASLC) is trying to find out why.