When the Texas and New Orleans and Angelina and Neches River railroads were built around the turn of the century, other new towns sprang into life, including Garrison and Appleby. The construction of the railroads also spurred the development of the lumber industry, which emerged at the end of the nineteenth century as one of Nacogdoches County's most important industries.
Echo technicians are ultrasound technicians who have specialized in using echocardiogram technology to produce images of patient's hearts. This field requires an associate's degree in medical sonography, and further specialization within the field is possible.
Amazon Echo is the first implementation of a Digital Assistant to a standalone piece of hardware. Some Digital Assistants can be setup on smartphone to answer to a call word without physical interaction. Echo is the first to rely on Voice Commands to operate.