EN 12520 imatanthawuza njira yoyesera ya mipando yamkati, yomwe cholinga chake ndi kuwonetsetsa kuti mawonekedwe ndi chitetezo cha mipandoyo chikukwaniritsa zofunikira.

Muyezo uwu umayesa kulimba, kukhazikika, kukhazikika komanso kusuntha, moyo wamapangidwe, komanso magwiridwe antchito a mipando.

Poyesa kulimba, mpando umayenera kuyesedwa masauzande ambiri akukhala ndikuyimilira kuti zitsimikizire kuti palibe kuwonongeka kwakukulu kapena kuwonongeka pampando pakagwiritsidwa ntchito. Mayeso okhazikika amayang'ana kukhazikika komanso kuthekera kwapampando.

Mpandowo uyenera kuyesedwa kuti ufanane ndi kusamutsa kulemera kwadzidzidzi pakati pa ana ndi akulu kuti awonetsetse kuti sakuthyoka kapena kugwedezeka pakagwiritsidwe ntchito. Mayeso osasunthika komanso osunthika amawunika mphamvu yonyamula katundu pampando, yomwe imayenera kupirira kangapo pazantchito zomwe zimayenera kuwonetsetsa kuti mpandowo ukhoza kupirira kulemera pakagwiritsidwe ntchito. Kuyesa kwa moyo wamapangidwe ndikuwonetsetsa kuti mpandowo sudzawonongeka kapena kuwonongeka mkati mwa moyo wake wanthawi zonse.

Mwachidule, EN12520 ndi muyezo wofunikira kwambiri womwe umatsimikizira kukhazikika, kulimba, komanso chitetezo chamipando yamkati mukamagwiritsa ntchito.

Ogula akagula mipando yamkati, amatha kuloza mulingo uwu kuti asankhe chinthu choyenera.