The cable core has one solid or stranded central toughness aspect that is surrounded by optical fibres; these are generally possibly arranged loosely in the rigid core tube or packed tightly right into a cushioned, versatile outer jacket. That staying reported, there are ways to do it and diligent use https://dienphucthinh.webflow.io/posts/dau-cos-cap-dien-chinh-hang-tai-dien-phuc-thinh