Most fabrics are knitted or woven, but some are produced by non-woven processes such as braiding, felting, and twisting. Applied loosely, 'fabric' also includes laces, meshes, and nets. See also textile.
I think having any lemons or drinking lemon juice (even straight) is good for you. I don't really know the health benefits, but that is what I have heard. I never heard about it being bad for one's teeth, but I suppose it could be.
Lemon juice made from concentrate that is sold unrefrigerated is safe to drink up to its expiration date. But once you open that bottle, contact with air will reduce its shelf life to about nine months.