Thread: embroidery thread: a. viscose rayon embroidery thread: 120D/2, 150D/2, etc. b. polyester embroidery thread: 108D/2, 120D/2, etc. sewing thread: a. 150D/2, 210/2-3, 250D/2-3 high tenacity polyester. b. 20/2, 40/2, 50/2, spun sewing thr