where does it come from
from plants....
Alpaca fiber comes from their fur. They have a very soft coat.
italy
flax plants
Yes
Dietary fiber is from cellulose, only manufactured by plants. Insoluble fibers are also only in plants.
fiber
Different fiber optic tools are used for different sized fiber optic cable maintenance. There are several different fiber optic tools, for example, there is the splicing fiber optic tool, test fiber optic tool, and cleaning fiber optic tool. The benefit of buying the same tool in different sizes may come in handy sometimes.
Elastane is itself a synthetic fiber. In the US it goes by the name "spandex". It's a polyurethane-polyurea copolymer that was developed in 1959.
Typically, carbon fiber is derived from the mineral graphite
Assuming this question is not about patch cable, six strands may be smallest these days. Also, some patch cable type fiber might come for two strands.