If it gets more severe and causes symptoms, your low hemoglobin count may indicate you have anemia. A low hemoglobin count is generally defined as less than 13.5 grams of hemoglobin per deciliter (135 grams per liter) of blood for men and less than 12 grams per deciliter (120 grams per liter) for women.
Define switchbacks. switchbacks synonyms, switchbacks pronunciation, switchbacks translation, English dictionary definition of switchbacks. n. 1. a. A sharp bend in a road or trail on a steep incline. b. A point on a mountain railway where trains reverse direction to continue obliquely up or...
Here is one of possibly thousands of examples of switchbacks. This is a track schmematic at Creal where the SP (now UP) serves a cement plant at the end of a branchline west of Mojave.. There are several switchbacks here. One is the end of branch serving as the lead to the yard, and there are two serving the coal dump.