Liftin bɛlt we dɛn de kia fɔ di rayt we kin mek dɛn gɛt savis we pɔsin kin abop pan fɔ lɔng lɔng tɛm, bɔt wan we dɛn nɔ de pe atɛnshɔn to kin pwɛl bifo tɛm—bɔku tɛm, dɛn nɔ kin wɔn pɔsin we pɔsin kin si. Dis gayd de pul pan di industri standad (EN 1492, ASME B30.9) ɛn Dongfang Lishen in manufakchurin ɛkspiriɛns fɔ gi wan kɔmplit mentenɛns protɔkɔl fɔ sintetik sling.
Liftin bɛlt kin luk pafɛkt savis na do we dɛn dɔn kɔmprɔmis in lod-bearing kɔr kwayɛt wan. di fayba we de insay di bɔdi we dɔn pwɛl—we kin mek i fleks bɔku tɛm, we i de lod pasmak, ɔ we i kin ambɔg am—nɔ kin anawns insɛf wit sayn dɛn we de wɔn pipul dɛn we pɔsin kin si. Bɔt stil, na dis ayd pwɛl pwɛl we kin mek sling nɔ wok wantɛm wantɛm ɔnda lod. Dis atikul de pul pan industri tɛst data, akademik risach pan polyɛsta wɛb taya, ɛn rial-wɔl fayl invɛstigeshɔn fɔ ɛksplen wetin mek intanɛnt damej impɔtant pas sɔfays wear. wi de egzamin di mεkanism dεm fכ fayv taya, di limitεshכn dεm fכ vishכnal inspekshכn, εn di inspekshכn protכkכl dεm—inklud di 'fil εn fold' mεtכd—we kin sho intanεt dεtiכreshכn bifo i mek aksidεnt. Fɔ injinia dɛn, rigging supavaysa dɛn, ɛn prokyumɛnt pɔshɔnal dɛn, fɔ ɔndastand dis hiden trɛt impɔtant fɔ bil wan rili sef liftin ɔpreshɔn.