1. Ameriki san 1988 lastikuw dilanni ye diɲɛ kɔnɔ fɔlɔ ye .
1.1 Ka fanga sɔrɔ lastikuw faralenw sugu kan .
San 1988, Ameriki ye diɲɛ mobilitigiba ye, a ye pankurun dilanyɔrɔba ye, diɲɛ kɔnɔ lastikuw ta fɔlɔ, lastikuw teliya dilanni fana kɛra fɔlɔ ye diɲɛ kɔnɔ. san 1988, Ameriki ye lastikuw tɔni miliyɔn 2 sɔrɔ, ani ka lastikuw fara 160000000000000000000000000000000000000000000000000000000000000. tonw ka kɔrɔya kɛlɛli furaw).
1.2 Fasiri caman bɛ yen minnu bɛ kɛ ka lastikuw dɛmɛ .
Factories ka ca ni 20 ye, lastikuw faralen suguya 200 ɲɔgɔnna sɔrɔli. suguya kunbabaw ye Benzothiazole accelerators ye ani p-phenylenediamine anti-aging agents. Thiazole sulfonamide furaw sɔrɔta ye 72% ye accelerators. amine anti-aging agent la Sanfɛ 5 lastikuw teliya iziniw: 1. Monsanto 50000 tɔni, 2. Goodyear 42000 tɔni, 3. Guttridge 20000 tɔni, 4. Uniroy 19000 tɔni, 5. Moby
1.3 Ɲininikalan siratigɛ la, lastikuw faralenw .
Ameriki jamana bɛ baara kɛ kosɛbɛ lastikuw faralenw ɲinini na, patɔrɔn ka sɛbɛn caman bɛ bɔ san o san, sɛbɛn suguya bɛɛ lajɛlen y’a jira ko Ameriki farankanw ɲinini kunba ye : fɔlɔ, lastikuw faralen ɲumanw ɲinini baara Filanan, ɲininiw ka kan ka sinsin baga ni fɛn dilanni lakanani kan. sabanan, ka lastikuw dilanni baara kɛcogo ɲɛ.
O waati la, Sinuwa ka lastikuw faralenw baara tun bɛ yiriwali daminɛ na san 1980 waatiw la, min tun bɛ bɛn Siniwa jamana ka sɔrɔ ni mobili baara yiriwali ma. nka lastikuw dɛmɛnan izini, bɔli, suguya, ɲininiw tɛ caman ye, a bɔli fana bɛ kɛ Shenyang, Tianjin, Jiangsu, Henan ani a ɲɔgɔnnaw{2}}}