Ablank is defined as a suspension system that allows a worker to descend in a controlled manner and as needed to stop at any point to perform work

A rope descent system (RDS)  is defined and a suspension system that allows a worker to descend in a controlled manner. The worker can move along the length of the rope for different purposes such as cleaning a window or mend something at a high level. 

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport

21 savage bank account