Sɛ́ nnwinnade a ɛho hia wɔ ntama adwuma mu no, sɛnea mfiri a wɔde twitwiw asaawa no yɛ adwuma na ɛtra hɔ kyɛ no gyina nneɛma a wɔde di dwuma so kɛse. Ɛnyɛ sɛ nneɛma a wɔpaw no yiye no nya afiri no nkwa nna so nkɛntɛnso nko, na mmom ɛka sɛnea wɔyɛ no yiye ne asaawa no yiye nso tẽẽ.
Wɔtaa de carbon dade anaa dade a ɛnyɛ den na ɛyɛ frame ne casing no. Carbon dade, esiane n’ahoɔden kɛse ne sɛnea ɛyɛ adwuma yiye nti, ne ade a wɔde gyina mfiri dodow no ara a wɔde twitwiw nneɛma so. Rust-proofing akyi no, ebetumi adi adwumayɛ ahwehwɛde atitiriw ho dwuma. Wɔ mmeae a ɛyɛ nwini anaasɛ ɛyɛ hyew kɛse no, dade a ɛnyɛ den (te sɛ 304 anaa 316) fata kɛse, efisɛ ne nsɛe a ɛkyɛn so no hwɛ hu sɛ ɛyɛ adwuma bere tenten, a ɛyɛ den.
Wɔtaa de aluminium a wɔde afra anaa mfiridwuma mu plastic na ɛyɛ winding shaft ne yarn guide components no. Aluminium aduru ma emu duru yɛ hare ne ahoɔden a ɛkorɔn, ɛtew rotational inertia so na ɛma winding pɛpɛɛpɛyɛ tu mpɔn. Wɔtaa de mfiridwuma mu plastic (te sɛ nylon anaa polyoxymethylene) di dwuma ma nneɛma a ɛho tew kɛse te sɛ asaawa akwankyerɛ esiane sɛ ɛba fam friction coefficient ne wear resistance nti, na ɛtew asaawa a ɛpaapae no so yiye.
Wɔtaa de dade a wɔde afra anaa dade a ayɛ den na ɛyɛ nneɛma atitiriw a ɛwɔ transmission nhyehyɛe no mu, te sɛ gears ne bearings, na ama wɔahwɛ ahu sɛ transmission no yɛ pɛpɛɛpɛ wɔ adesoa a ɛkɔ soro mpo mu. Ebinom a ɛkorɔn-end models nso de ceramic bearings di dwuma ma kɔ so asɛe ne corrosion resistance.
Wɔtaa de mfiridwuma plastic a ɛmma ogya ntumi nhyew-dade a wɔde galvanized ayɛ na ɛyɛ anyinam ahoɔden ne nea wɔde di dwuma nhyehyɛe no adan ne nkataso, na ɛhwɛ hu sɛ ahobammɔ a wɔde siw mframa ano ne ahoɔden a ɛdɔɔso wɔ ɔdan no mu.
Sɛ yɛbɛbɔ no mua a, nneɛma a wɔpaw ma mfiri a wɔde twitwiw asaawa no hwehwɛ sɛ wosusuw mfiri ahoɔden, sɛnea ɛko tia nsɛe, sɛnea ɛko tia asaawa, ne ɛka a wɔbɔ ho yiye. Nkɔso a aba wɔ nnɛyi mfiridwuma mu nneɛma a wɔyɛ mu no ama wɔde nneɛma a wɔabom ayɛ ne akwan a wɔfa so yɛ nneɛma a ɛwɔ soro no adi dwuma kɛse, na ɛma mfiri no nyinaa yɛ adwuma yiye bio na ɛma wonya awerɛhyem a wotumi de ho to so sɛ wɔbɛyɛ nneɛma a etu mpɔn wɔ ntama adwumayɛ mu.
