Lintho tse ka sehloohong tsa tube e entsoeng ka perforated:
Uniform welding, acid, alkali le high pressure resistance.
Potoloho e nepahetseng le ho otloloha.
Sebaka se boreledi le se sephara.
Tlhophiso e sebetsang hantle.
Ho bonolo ho hloekisa le bophelo bo bolelele ba tšebeletso