Renal agenesis. Renal agenesis is a medical condition in which one (unilateral) or both (bilateral) fetal kidneys fail to develop.
Polycrystalline cells are composed of multiple silicon crystals, which is a cheaper way to manufacture solar modules. Put simply, these cells are easier for a factory to produce, so they are less expensive. Polycrystalline cells are made by several methods, but most commonly with a cast of molten silicon.
Polyform. Polyform is a lightweight, fiber reinforced, composite system for cargo management. It is a honeycomb sandwich composite laminate consisting of fiber-reinforced thermoplastic skins and a thermoplastic honeycomb core that is formed by low-pressure thermo compression molding.