Gas heaters produce more heat when compared to electric heaters in the same amount of time. Since gas is generally cheaper than electricity, a gas heater has lower operating cost.Electric space heaters are cheaper only when a small space is to be heated at lower temperature settings.as heaters produce more heat when compared to electric heaters in the same amount of time. Since gas is generally cheaper than electricity, a gas heater has lower operating cost.
EPNS stands for Electro Plated Nickel Silver. Nickel Silver (sometimes stainless steel) is the base metal onto which silver is plated. Despite its name, nickel silver contains no silver at all, but is an alloy of nickel, zinc & copper.he most common is EPNS (Electro Plated Nickel Silver) but many other symbols are used: 1  EPBM (Electro Plated Britannia Metal). 2  EPCA (Electro Plated Copper Alloy). 3  ESM (Electro Plated Silver Mounts).
Erythropoietin (EPO). Erythropoietin is a glycoprotein. It acts on the bone marrow to increase the production of red blood cells. Stimuli such as bleeding or moving to high altitudes (where oxygen is scarcer) trigger the release of EPO.People with failing kidneys can be kept alive by dialysis.alcitriol. 1  calciferol (vitamin D 3) which is synthesized in skin exposed to the ultraviolet rays of the sun. 2  precursors (vitamin D) ingested in the diet. 3  calciferol is converted in the liver into 25[OH] vitamin D 3. 4  this is carried to the kidneys (bound to a serum globulin) where it is converted into calcitriol.