When you are working in an area where a washer or nut can drop into a delicate assembly or be difficult to retrieve, use dental floss. Fasten one end of a long piece of floss to the part and the other end to something solid. When the parts are finally installed, the dental floss can either be cut off or, as in the case of a nut, it will come right off because it will be cut by the threading action.

read more