Question: what are the two types of fall protection?
Answer: 1:1 Fall protection, Fall arrest lanyard. Suitable for non-permanent climbing or work with short reach. ... 
1:3 Fall arrest block. Fall arrest block with self-retracting function. ... 
2 Fall arrest line. Anchor line with manual rope lock (with or without shock absorber). ... 
3 Work positioning equipment. ... 
4 Rope Access.