What yarn would rely most on fiber cohesiveness for yarn strength?

Which of the following terms describes a minimally invasive surgical procedure involving visual examination of the interior of a joint with an arthroscope to diagnose or treat various conditions or injuries of a joint and especially to repair or remove damaged or diseased tissue or bone?

What factor generally improves durability in woven fabrics the most?  

True or false: The shortest staple fiber is cotton. 

What is the proper term for bunions?

What is the least UV light resistant of the natural fibers?

What happens with internal tibial torsion?

The following animal is a member of what class? 

True or false: Covered yarns have a central core yarn covered by a sheath of staple fibers.

What are the purposes of primary and secondary bonds? How do primary bonds differ from secondary bonds? Name three types of bonds, either primary or secondary.