Sling kurukuruwa yɛ nnwinnade a wɔde ma nneɛma so a wotumi de di dwuma pii sen biara a ɛwɔ hɔ no mu biako—etumi di nnesoa ho dwuma fi tɔn 0.5 wɔ mfiridwuma mu nneɛma a emu nyɛ duru mu kosi tɔn 500 wɔ mfiridwuma a emu yɛ duru ne po so nneɛma a wɔma so mu. Nanso ɔkwan bɛn so na ade biako a wɔyɛ no trɛw tumi kɛse a ɛte saa mu? Mmuae no wɔ sɛnea wɔyɛɛ sling no, core asaawa dodow a ɛsoa adesoa, sɛnea wɔyɛɛ nsateaa a ɛbɔ ho ban, ne ahobammɔ gyinapɛn ahorow a ɛfata. Sɛnea EN 1492-2 kyerɛ no, ɛsɛ sɛ slings kurukuruwa nya ahobammɔ factor 7:1, a ɛkyerɛ sɛ sling a wɔahyɛ sɛ ɛyɛ tɔn 1 no wɔ adesoa a ɛbubu a anyɛ yiye koraa no yɛ tɔn 7. Saa mfiridwuma ho nsɛm yi kyerɛkyerɛ sɛnea wɔkyerɛ sling kurukuruwa tumi, nneɛma a ɛka adesoa anohyeto, ne sɛnea wobɛpaw sling a ɛfata ama wo application no mu.