hat
(4) labou confected, ki gen bon rheology, li kapab kenbe dispèsyon a ak ekspansyon schiste ak tè glèz nan syèl la ki sèl mwayen, konsa, Polisyon miray la nan yon pi anba okipe kay yo,
eng
(4) Confected mud has good rheology, it can restrain the dispersion and expansion of shale and clay in the high-salt medium, so that the pollution of the wall of a well under controlling;