Khethollo ea lithapo tsa optical.
1. Ho ea ka ts'ebetso e fapaneng ea phetisetso, sebaka le morero, lithapo tsa optical li ka aroloa ka lithapo tsa optical tsa basebelisi, likhoele tsa optical tsa lehae, likhoele tsa optical tsa sebaka se selelele le likhoele tsa optical tsa submarine. 2. Ho ea ka mefuta ea ...
lintlha tsa pono