Complex sentence: Entry into pit caves requires use of either winches, rope ladders or more specialized caving techniques, akin to technical climbing, such as the single rope technique (SRT) which involves the use of 10-11 mm nylon static rope and mechanical descenders/ascenders.
Split into simpler sentences: Entry into pit caves requires use of either winches, rope ladders or more specialized caving techniques--akin to technical climbing--such as the single rope technique (SRT). The SRT involves the use of 10-11 mm nylon static rope and mechanical descenders/ascenders.