Sɛ wobɛpaw agyan a ɛfata a wode ma wo dan no so a, ɛhwehwɛ pii sen sɛ wode tumi nɔma bi ne adesoa mu duru bi bɛtoto ho. Nneɛma a wɔpaw na ɛkyerɛ nnuru ne ɔhyew a ɛne ne ho hyia. Nsiesiei nya ahoɔhare a wɔde bata ho ne sɛnea wɔhyɛ no so nkɛntɛnso. Gyinapɛn ahorow a wodi so no hwɛ hu sɛ ahobammɔ ne mmara hyia.
Mmuae no gyina nneɛma a wɔde sling no so koraa. Nylon slings no, acid sɛe nanso ɛko tia alkalis, bere a polyester slings no, alkali sɛe nanso ɛko tia acid. Saa nsonsonoe titiriw yi kyerɛ sɛ sɛ wɔpaw agyan a ɛnteɛ ma baabi a nnuru wɔ no a, ebetumi ama ahoɔden a ahintaw asɛe, adi huammɔ mpofirim, na ɛde ahobammɔ ho asiane aba.
Atosɛm bi a ɛkɔ so daa wɔ rigging adwumayɛ mu kyerɛ sɛ slings a wɔma so yɛ 'akwan foforo a ne bo nyɛ den' a wɔde si hama a wɔde hama so ananmu ara kwa —ade a ɛho ka sua a wɔde besi nneɛma a ɛnyɛ den pii ananmu. Nokwasɛm no yɛ soronko koraa. Nneɛma a wɔde ma nneɛma so a wɔde yɛ nneɛma so no ma ahobammɔ mu mfaso kɛse sen waya hama: ɛbɔ nnesoa a ɛyɛ mmerɛw ho ban fi ɔfasu a ɛsɛe ho, ɛtwetwe adesoa a ɛma ahopopo a ɛnsɛe daa, na ɛma kɔkɔbɔ nsɛnkyerɛnne a wotumi hu ansa na adi huammɔ. Sɛnea CERTEX Denmark kyerɛ no, ntama a wɔde ayɛ nhama ne nea wɔpɛ ma nnesoa a ɛhwehwɛ sɛ wɔbɔ ho ban wɔ soro na ɛma wotumi yɛ nsakrae kɛse bere a wɔde toto waya hama ho no. Saa akwankyerɛ yi bu 'cheap alternative' anansesɛm no gu na ɛkyerɛkyerɛ nea enti a synthetic slings taa yɛ nea ahobammɔ wom, etu mpɔn a wɔpaw ma nnɛyi adwuma a wɔde ma nneɛma so.
Ebia ɛbɛyɛ te sɛ nea afiri a wɔde ma nneɛma so a wɔde asie nsu mu no nsɛee, nanso nsu betumi ama nsunsu anyin, nhama asɛe, na—wɔ nylon afiri fam no—ahoɔden a ɛbɛyera bere tiaa bi akodu 15% bere a ɛyɛ nsu no, na ahoɔden asan aba bere a ɛyow no Nea ɛho hia kɛse no, nylon nhama betumi ahwere wɔn ahoɔden bɛyɛ 25% bere a ɛyɛ nsu esiane nsu a ɛtwetwe nti . Nea ɛne eyi bɔ abira no, nsu ntumi nsɛe polyester slings kɛse nanso sɛ wɔde sie nsu a ɛyɛ nwini a, ɛda so ara tumi nya akisikuru na ɛporɔw. Saa akwankyerɛ yi hwehwɛ asiane ahorow a ɛwɔ agyan a ɛyɛ nsu mu, mmerɛwyɛ pɔtee a ɛwɔ nneɛma ahorow a wɔde yɛ nneɛma mu, ne nhwehwɛmu ne akwan a wɔfa so ma ɛyow a ɛho hia ansa na wɔasan de afiri a ɛyɛ nsu asan akɔ adwuma mu.