20 ″ K55 BC API CASING COUPLING
Monyetla oa feme ea rona ke theko e tlase, 'me karolo e kholo ea bareki ba baholo le ba mahareng ba tsoang kantle ho naha e bonahala e ikemiselitse ho sebelisana le feme ea rona, haholoholo barekisi ba kantle ho naha. Theko e tlase ke monyetla o moholo oa feme ea rona. Taba ea bobeli, feme ea rona e na le lisebelisoa tsa mahlale le tsa ho paka, re ka ikopanya le bareki neng kapa neng. Taba ea boraro, fektheri ea rona e khona ho laola boleng.
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Ka kakaretso, re moetsi ka kotloloho, mohlahlami, kantle ho naha, morekisi, re ka netefatsa boleng ba lihlahisoa tseo re li romellang pele, ebe re ka fihlela boleng ba lihlahisoa tsa k'hamphani e rekisang. La bone, fektheri ea rona e ka tataisa bareki ho etela fekthering le ho fana ka disampole ka nako efe kapa efe.