Tšepe e koahetsoe ka zinki ho thusa ho thibela ho bola.Zinki e kopana le oksijene ha e le sepakapakeng, e etsa zinc oxide e tsoelang pele e kopana le carbon dioxide ho etsa zinc carbonate.E emisa kutu e eketsehileng maemong a mangata, e sireletsa tšepe ho tloha linthong tsa tlhaho.
Re fana ka mefuta e fapaneng ea lisebelisoa tsa tšepe tse koahetsoeng ka tšepe le lihlahisoa tsa coil, ho kenyelletsa le tse kenngoeng ka ho chesa, tse nang le motlakase oa motlakase, aluminized,galvannealedle galvalume.