Noofambar 2, Xafiiska Guud ee Wasaaradda Deegaanka iyo Deegaanka ayaa soo saaray "Ogaysiis ku saabsan Daabacaadda iyo Qaybinta "Liiska Dhan ee Ilaalinta Deegaanka (Daabacaadda 2021)" (Xafiiska Guud ee Xafiiska Deegaanka [2021] No."Liiska dhameystiran ee Ilaalinta Deegaanka (2021 Edition)", dhuxusha buluuga ah/kookaha/pitch (marka laga reebo daamurka daamurka iyadoo la adeegsanayo jawiga, faakuum ama hawo nadiifinta joogtada ah iyo faakuumka nadiifinta joogtada ah) ee coking ( code warshadaha 2520) ee birta dhaqameed iyo birta warshadaha, steel Rolled ( code warshadaha 3130) chromium-plated xaashi bir ah (marka laga reebo trivalent chromium habka electroplating) / saxan-dahaarka leh (marka laga reebo habka daahan midabka chromium-free) alaabta, ferroalloy dhalaalaysa (code warshadaha 3150) biraha manganese / biraha Silicon / alaabta chromium biraha , Taxanaha alaabta ay soo saartay geeddi-socodka galvanizing kulul-kulul ee birta (code warshadaha 3208) waa "aad u wasakhaysan" alaabta;samaynta birta (code warshadaha 3210) iyo biraha-samaynta (code warshadaha 3220) alaabta laguma kala saarin inay yihiin "wax wasakhaysan" iyo "khatarta deegaanka sare" "alaabta.