Resistance to acids : Generally not good but under some conditions it is acceptable Alkalies : Generally not good but under some conditions it is acceptable. Sunlight : Average Insects : Silverfish damage all types of cellulosic fibers.

After attaching the stud to the overlap press it to the under lap to make impression. Place the socket over this impression and make four or five buttonholes stitches on each hole of the socket. Fasten the thread on the wrong side when finished. This fastener is ideal for sportswear and kidswear.