In the prosthetic industry a trans-tibial prosthetic leg is often referred to as a BK or below the knee prosthesis while the trans-femoral prosthetic leg is often referred to as an AK or above the knee prosthesis.
The City of Black Hawk is located 25 miles West of Denver. Through Historic Central City. 1  from Denver take Interstate 70 West. 2  I-70 exit 243 to Central City/Hidden Valley.
The Black Mountains (Welsh: Y Mynyddoedd Duon) are a group of hills spread across parts of Powys and Monmouthshire in southeast Wales, and extending across the EnglandâWales border into Herefordshire.ooks set in or around the Black Mountains include: 1  People of the Black Mountains by Raymond Williams (two books of an intended trilogy). 2  On The Black Hill by Bruce Chatwin (also adapted as a film). 3  Resistance by Owen Sheers (Adapted as a film in 2011).