>Fusion splicer is used to splice the fibers and achieve the connection between two optical fibers. >Cleaver is used to cut the fiber end-face before splice. >OTDR is used to test the optical cable, are there any quality issues, like bad quality of connection, broken, high loss, etc. >Tools is used to find the cable, open the cable/fiber, completing the work before fiber optic connection. >Etc. If you want to learn more, pls free to contact me, thank you!