Ti soles ta rhaba i ti soles leti endliweke hi rhaba, naswona switirhisiwa swa sole swa rhaba swinga avanyisiwa hi rhaba ya ntumbuluko kumbe rhaba yo endliwa. Vuyelo bya rhaba ya ntumbuluko hileswaku yi olova swinene, yi olova swinene, yinga cinciwa eka mintlangu yohambana hambana, kuva yi tlanga xiave xo tswonga xitshuketa, kambe ku pfumaleka ka swona switlhela swiva erivaleni swinene leswaku ku lwisana na oyili, ku dyuhala ka ozone na ku dyuhala ka oxygen yo hisa aswi kahle. Tintangu ta mintlangu ta le ndzeni ti tirhisa ngopfu rhaba ya ntumbuluko.

Ringanyeta:

EPDM:S537-3;S537-2;J-2070;J-2080;Ter 6235;Ter 4548;