Olu bɛ tali kɛ PVC sɛbɛnw na yeelenko kibaruyaw kama, i bɛ se ka kunnafoni kuraw dɔn minnu kɔnɔ PVC sɛbɛnw kɔnɔ yeelenko kama , walasa k’aw dɛmɛ ka PVC sɛbɛnw faamuya ka ɲɛ ani k’u bonya yeelenko sugu la. Sabula sugu PVC sɛbɛnw bɛ ka wuli ka taa a fɛ ani ka Changé, o de kama an b’a ɲini aw fɛ aw k’an ka siti lajɛ, wa an bɛna kibaruya labanw jira aw la tuma bɛɛ.