A coupling (or a coupler) is a mechanism for connecting rolling stock in a train. The design of the coupler is standard, and is almost as important as the track gauge, since flexibility and convenience are maximised if all rolling stock can be coupled together.
Rodents are of the orderRodentia, characterised by a single pair of continuously growing incisors in each of the upper and lower jaws that must be kept short by gnawing.
Frank Vincent ZappaUntil discovering his birth certificate as an adult, Zappa believed he had been christened "Francis", and he is credited as Francis on some of his early albums. His legal name was always "Frank", however, never "Francis". Cf. Zappa with Occhiogrosso, 1989, The Real Frank Zappa Book, p. 15. (December 21, 1940 – December 4, 1993) was an American musician, bandleader, songwriter, composer, recording engineer, record producer, and film director. In a career spanning more than 30 ..
Zymosan is a glucan with repeating glucose units connected by β-1,3-glycosidic linkages. It binds to TLR 2. Zymosan is a ligand found on the surface of fungi, like yeast.