Complex sentence: It is bought by spinners who produce yarn and this, in turn, is sold to weavers (or knitters) who make fabric.Linen spinningin Ireland has now virtually ceased, yarns being imported from places such as Eastern Europe and China.
Split into simpler sentences: It is bought by spinners who produce yarn and this, in turn, is sold to weavers (or knitters) who make fabric. Spinning has now virtually ceased, yarns being imported from places such as Eastern Europe and China.