[To Parent Directory]butt-weld-pipe-elbow_esbutt-weld-pipe-elbow_es0butt-weld-pipe-elbow_es1butt-weld-pipe-elbow_es2butt-weld-pipe-elbow_es3butt-weld-pipe-elbow_es4butt-weld-pipe-elbow_es5butt-weld-pipe-elbow_es6