Ka kopo, re tlohele 'me re tla ikopanya le rona nakong ea lihora tse 24.
Hona joale lihlahisoa tsa rona tsa mantlha ke poso ea terata ea T / Y, li-gabions, heke ea jarete, heke ea polasi, lintja tsa lintja, spike ea linonyana, terata ea jareteng joalo-joalo.Lihlahisoa tsa rona li rometsoe USA, Jeremane, UK, New Zealand, Australia joalo-joalo.