Wan sling we dɛn kin es ɔp ɛn we dɔn lɔs in fɔs kɔlɔ na tin we pipul dɛn kin si na say dɛn we dɛn kin du wok. Bɔku rigman dɛn kin wɔnda: i stil sef fɔ yuz? Di shɔt ansa—akɔdin to di standad dɛn we di industri gɛt—na nɔ. Di kɔlɔ we de chenj na sɔntin we pɔsin kin si fɔ sho se ɔltra vayolɛt (UV) dɔn pwɛl, we kin mek di sɛntetik fayv dɛn wik ɛn i kin mek di sling nɔ ebul fɔ bia lod. Dis gayd de ɛgzamin wetin faded kɔlɔ min fɔ sling sef, aw fɔ difrɛns UV damej frɔm ɔda kayn diskɔlɔreshɔn, ɛn di patikyula ritayayeshɔn krayteria we dɛn sho na ASME B30.9 ɛn Washinton Administretiv Kɔd (WAC) rigyuleshɔn. Fɔ di wan dɛn we de supavaysa fɔ rig ɛn di wan dɛn we sabi bɔt sef, fɔ ɔndastand wetin sling we dɔn fad kin du, impɔtant fɔ mek dɛn nɔ pwɛl bad bad wan.