Aŋe gbadzɛ si le kpuie akpa afɔ ʋɛ aɖewo ko ate ŋu ana ʋu kɔkɔ ƒe dɔwɔwɔ natɔ te. Nusi ŋu wosusu enumake: nukatae màtsɔ aŋe eve aƒo ƒu ɖekae ko o? Nuwɔna si nye be wotsɔa aŋenuwo doa ka kple wo nɔewo bɔ, gake le OSHA 1910.184(c)(2) kple ASME B30.9 ƒe nya nu la, mele be woatsɔ gaƒoɖokuiwo aƒo ƒu alo adidi wo to ka alo wo ƒoƒo me o, eye mele be woatsɔ ka aƒo wo nu ƒu o .
Amadede aɖe koŋ le aŋe si wotsɔna kɔa nu dzi—gake menye atsyɔ̃ɖoɖo ɖeɖeko tae amadede ma nye o. Le EN 1492-1 (flat webbing slings) kple EN 1492-2 (round slings) ƒe nya nu la, amadede ɖesiaɖe sɔ kple Working Load Limit (WLL) tɔxɛ aɖe , si wɔnɛ be woate ŋu ade dzesi ŋutete kabakaba eye wòanɔ bɔbɔe le dɔwɔƒea .
Wotre ŋkeke si dzi wòawu enu ɖe aŋe goglo aɖe dzi le eƒe ŋkɔ dzi o—gake mefia be enɔa anyi tegbee o. Le EN 1492-2 ƒe nya nu la, wogblɔ Europatɔwo ƒe dzidzenu na roundslings, dɔwɔwɔ ƒe agba ƒe seɖoƒe (WLL) kple dedienɔnɔ ƒe akpa, gake dɔwɔwɔ ƒe agbenɔƒe nɔ te ɖe zazã ƒe nɔnɔme ŋutɔŋutɔ dzi. Adzɔnuwɔƒe aɖewo gblɔ be ƒe 10 ƒe agbenɔƒe si sɔ gbɔ wu tso esime wozãe zi gbãtɔ le nɔnɔme nyuitɔwo me.
Tiatia le polyester flat sling kple nylon flat sling dome menye nya be ɖeka na 'nyo wu' wu evelia o—enɔ te ɖe dɔwɔwɔ ƒe nɔnɔme dzi bliboe. Nu eveawo siaa ƒe dɔwɔwɔ ƒe agba ƒe seɖoƒe kple dzoxɔxɔ ƒe didime sɔ (-40°C va ɖo 100°C) le EN 1492-1 te, gake woto vovo ŋutɔ le woƒe didime, atikewo ƒe tsitretsitsi, kple tsi ƒe ŋuɖoɖo me. Nylon kekena 6–10% le agba si woɖo ɖi me eye wòtsia tre ɖe alkali ŋu gake acid tsrɔ̃nɛ . Polyester kekena 3–4% ko eye wòtsia tre ɖe acidwo ŋu gake alkali gblẽa nu le eŋu . Mɔfiame sia na tsɔtsɔ sɔ kple wo nɔewo tsitotsito be wòakpe ɖe mɔ̃ɖaŋudɔwɔlawo kple rigging dɔwɔlawo ŋu woatia flat sling material si sɔ na woƒe dɔwɔwɔ ƒe nɔnɔme tɔxɛwo.