Asman Wet and Dry Meter: A ventilated wet and dry meter with mechanical or electrical ventilation. Created by German Assmann (1845-1918), hence the name. The top is equipped with a fan and the ball part is protected by a double radiation protection tube. Wet the wet ball gauze when using, twist the purple clockwork to start the fan, so that the air flows through the ball at a fixed speed to determine the dry ball humidity and wet ball temperature, and then check the air humidity.
Amen Horn Stone: Ancient invertebrates. Cephalopods, subclass Nautilus, a genus of pearl-horned stone superorder. The shell is straight, the body tube is large, the abdomen is partial, beaded, and the inner tube develops. It is commonly found in Ordovician strata of northern China.
Arabian horse: A famous riding horse breed. Native to the Arabian Peninsula, it has a long history. Graceful in shape, medium in physique, well-proportioned in structure, short head, long neck, high and plump mane, short and powerful dorsal waist, long jiri, and high tail. Tendons of the extremities are developed. The average body height is 148 to 152 cm, and the weight is about 400 kg. The temperament is lively and strong, and the steps are brisk and long-lasting. It has played a major role in the breeding of many excellent horse breeds in the world.
