Ndife odzipereka kupereka zinthu zosavuta, zopulumutsa nthawi komanso zopulumutsa ndalama kamodzi kokha kwa ogula pamtengo wothimbirira wa lvl | Jsylvl,wopangidwa ndi oak dinani pansi , 2x8 floor joist span chart , 17mm plywood yopanda mawonekedwe ,opanga konkire a plywood ogulitsa pafupi ndi ine. Timayang'ana kwambiri kupanga zinthu zabwino kwambiri zoperekera chithandizo kwa makasitomala athu kuti tikhazikitse ubale wanthawi yayitali wopambana. Mankhwalawa adzapereka kudziko lonse lapansi, monga Europe, America, Australia,Bangkok, India, Hamburg, Provence .Ndi cholinga cha ziro chilema. Kusamalira chilengedwe, ndi phindu la anthu, kusamalira udindo wa ogwira ntchito pagulu ngati ntchito yake. Tikulandira abwenzi ochokera padziko lonse lapansi kuti atichezere ndi kutitsogolera kuti tikwaniritse cholinga chopambana.