Ngir wàññi màndarga anisotropic yi ci bois naturelle bi, ba noppi mëna am màndarga yu wuute ak jëmm ju dëgër, plywood dafay topp ñaari njàngale yu am solo: symétrie; ak perpendikulaarite fibre yi ci diisaay yi ci wetam. Njàngalem symétrie mooy plafond yi ci ñaari wetu plan symétrie bu diggu plywood bi dañu wara symétrique, amul benn wuute ci màndarga bois bi, dëgëraay plafond bi, limu diisaay yi, jubluwaayu fibre yi, diisaayu guus gi, ak yeneen mbir. Ci biir benn tolluwaayu plywood, mën nañu jëfandikoo ay placage yu am benn xeetu ak dëgëraay, ni ko plafond yu wuute xeetu ak dëgëraay. Waaye, bépp ñaari couche symétrique ci ñaari wetu plan symétrie bi ci digg bi dañu wara nekk benn xeetu ak dëgëraay. Panelu kanam gi ak ginaaw gi mën nañu nekk xeetu mbindéef bu wuute.
Ngir plywood mëna dëppoo ak ñaari njàngale yu am solo yooyu, fàww mu am limu ply yu wuute. Moo tax, plywood dañu koy faral di defaree ay ply yu wuute, lu ci melni ñett, juróom wala juróom ñaar. Tur yi ñuy woowe couche plywood ñooy: plafond bi ci kaw ñu ngi koy woowe faceboard, plafoŋ bi ci biir ñu koy woowe coreboard; faceboard bi ci kanam ñu ngi koy woowe topboard bi, faceboard bi ci ginaaw ñu koy woowe backboard bi. Coreboard bi am fibre yu paralel ak faceboard bi lañuy woowe tableau core bu gudd wala tableau digg bi. Sooy boole tablo bu amul dara, kaw gi ak tablo bi ci ginaaw dañu wara jàkkarloo ak biti.
