Service dog trainers teach guide dogs, hearing dogs and therapy dogs to assist people with disabilities. Apprentice trainers typically work at service dog training schools under the supervision of experienced instructors and, with experience, may go on to instruct other trainers. This is a physically demanding position, which requires trainers to walk and control dogs of various sizes and breeds.
Barley is a food ingredient used in soups, stews and breads. This major cereal grain is a component for health foods and is used to ferment malt beer. A member of the grass family, barley also serves as animal fodder. In 2014, global sales from barley exports by country amounted to US$7.8 billion.
Barley meal, a wholemeal barley flour lighter than wheat meal but darker in colour, is used in porridge and gruel in Scotland. Barley meal gruel is known as sawiq in the Arab world.