Description: Biological material, corn grain refined, degradable, environmental friendly, material hard, strength and rigidity high, surface bright, smoothness good, not rolling edge when printing, not turning edge. Ku dɛ̈t dɛ̈t dɛ̈t dɛ̈t dɛ̈t dɛ̈t dɛ̈t dɛ̈t dɛ̈t. Kä ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi, ye kek looi. A bɛ kɛ̈ɛ̈r, a bɛ kɛ̈ɛ̈r, a bɛ kɛ̈ɛ̈r, a bɛ kɛ̈ɛ̈r. A tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n. Kä ye kek tɔ̈ɔ̈u ye kek tɔ̈ɔ̈u ye kek tɔ̈ɔ̈u ye kek tɔ̈ɔ̈u ye kek tɔ̈ɔ̈u ye kek tɔ̈ɔ̈u ye kek tɔ A tɛ̈ɛ̈k bɛ̈n ya cɔk tɛ̈ɛ̈k bɛ̈n ya cɔk tɛ̈ɛ̈k bɛ̈n ya cɔk tɛ̈ɛ̈k Ku a lëu bï ya tɛmɛ në ɣän juëc yiic, cït mɛn ɣän kɔ̈ɔ̈r ye kɔc cɔl 'cold zone' ye kɔc cɔl 'cold zone' ye kɔc cɔl 'cold zone' ye kɔc cɔl 'cold zone'. Ka tɛmɛ 190 ka tɛmɛ 220, ka tɛmɛ 60 degrees.