The tendon in your forearm is a twisted bundle of cables, like the cables used in a suspension bridge. Each individual cable is itself a twisted bundle of thinner cables.
आधी सांगितल्याप्रमाणे, मानवाने निर्माण केलेली संयुगे निसर्गातल्या संयुगांपुढे फिकी पडतात.