Mehleng ea pele, Hose ea ho Lahla e nang le Sandwich Flange e ne e sebelisoa haholo-holo phaepheng e kholo ea ho tsamaisa ea li-dredger. E tumme ka ho tenyetseha ha eona ho phahameng 'me e sebelisitsoe haholo. Hamorao, ka nts'etsopele ea theknoloji ea boenjiniere ba ho dradging, dradger e ile ea e-ba kholoanyane le ho feta, boholo ba liphaephe tsa ho tsamaisa le bona bo ile ba eketseha haholo, 'me khatello ea mosebetsi ea liphaephe le eona e ne e ntse e eketseha. Hose ea ho Lahla e nang le Sandwich Flange e sebelisoa ka mokhoa o lekanyelitsoeng ka lebaka la matla a fokolang a ho thaepa a li-flange tsa eona, ha Hose ea ho Lahla e nang le Nipple ea Tšepe e ka ikamahanya hamolemo le litlhoko tsa ts'ebetso mererong ea ho dradging kaha lisebelisoa tsa eona li na le matla a holimo a sebopeho, kahoo e ntlafalitsoe haholo.

Hona jwale, Hose ya ho ntsha metsi e nang le Sandwich Flange e sebediswa diphaepheng tse kgolo tsa ho ntsha metsi mererong ya ho tjhesa metsi. Hangata e sebediswa ho tsamaisa diphaephe tse nang le bophara bo bonyenyane (hangata 600mm ka boholo), mme kgatello ya mosebetsi ya diphaephe ha e fete 2.0MPa.

Mefuta eohle ea liphaephe tsa CDSR e entsoe ka thepa e loketseng ka ho fetisisa. Litsebi tsa rona li tla khothaletsa mefuta e loketseng ea lihlahisoa kapa ho rala liphaephe tse ikhethileng ho latela litlhoko tsa basebelisi mabapi le tekanyo ea khatello, ho hanyetsa ho tsofala, ts'ebetso ea ho kobeha le litšobotsi tse ling, e le ho fihlela litlhoko tsa maemo a fapaneng a ts'ebetso.