1. Formaldehyde (fɔrmadehidi) (Formaldehyde). Ka kɛɲɛ ni jamana sariyaw ye, foromadehidi bɔli dan min bɛ kɛ blokibɔri la ni waati cogoya ye, o ye E1 ye A ka dɔgɔn walima a bɛ bɛn miligaramu 0,124 ma/m3 ma. Blɔkibɔri min bɛ feere sugu la, n’o tɛ-foromadehidi bɔli sariyaw labato, o bɛ tali kɛ kosɛbɛ fɛn fila la: fɔlɔ, foromadeyi bɔli bɛ tɛmɛ sariya kan, o bɛ faratiba lase hadamadenw ka kɛnɛya ma filanan, fɛn dɔw, hali n’u ka foromadeyi bɔli bɛ E2 hakɛ kɔnɔ, u tɛ se E1 hakɛ ma, o bɛɛ n’a ta, u bɛ sɛbɛn ko E1. O fana bɛ jate ko a tɛ- sariya labatoli la.
2. Transverse Static Bending Fanga. Transverse static bending strength ani bonding strength bɛ blockboard fɛnw seko jira ka doni ta ani ka deformation kɛlɛ degun kɔrɔ. Kunba minnu b’a to -labɛnbaliya bɛ kɛ transversal static bending strength la, olu ye saba ye: fɔlɔ, nafamafɛnw walima u tiɲɛni fɛnɲɛnamafagalanw yɛrɛ la, o bɛ na ni core quality jugu ye filanan, ɲɔgɔndan fɛɛrɛ minnu tɛ sariya kɔnɔ, olu dilanni waati; ani sabanan, nɔrɔli kɛcogo bɛnbali.
3. Jɛɲɔgɔnya fanga. Bonding performance bɛ tali kɛ kosɛbɛ taabolo saba la: waati, funteni ani degun. Nɛgɛdaga hakɛ ni a kɛcogo fana bɛ nɔ bila foromadeyi bɔli hakɛ la.
4. Ji hakɛ min bɛ a la. Ji hakɛ bɛ plywood ji hakɛ jira. Ni ji hakɛ ka ca kojugu walima ni a tɛ kelen ye, fura in bɛ se ka tiɲɛ, ka wuli, walima ka kɛ kelen ye a kɛtuma na, o bɛ nɔ bila a baara la.