RTU can be mounted immediately after the Vibro-Curb III â¢ is installed and roofing can be completed at a later date without disturbing the RTU. This process will reduce installation costs and expedites the installation process.
Quartermaster is a military or naval term, the meaning of which depends on the country and service.In land armies, a quartermaster is generally a relatively senior soldier who supervises stores and distributes supplies and provisions.In many navies, quartermaster is a non-commissioned officer (petty officer) rank.n the modern navy, a quartermaster is a petty officer who specializes in navigation. The rating abbreviation is QM. The symbol used for the rating and worn on uniforms is a ship's wheel.
A serous demilune or Crescents of Gianuzzi is a cap in the shape of a half-moon (hence the name demilune) on some salivary glands.Serous demilunes are the serous cells at the distal end of mucous tubuloalveolar secretory unit of certain salivary glands.These demilune cells secrete the proteins that contain the enzyme lysozyme, which degrades the cell walls of bacteria. In this way, lysozyme confers antimicrobial activity to mucus.he serous demilune is an artifact from traditional methods of preparing samples. Samples are traditionally preserved and fixed in formaldehyde. When samples were preserved by quick-freezing in liquid nitrogen and then fixed with osmium tetraoxide in acetone, no demilunes are found.