1. Sɛnea mfutuma a wɔde yiyi mu no cross section no te no, wobetumi akyekyɛ mu ayɛ no: bag a ɛyɛ tratraa (trapezoidal ne flat) ne bag a ɛyɛ kurukuruwa (cylindrical).
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3. Sɛnea filtering mode a dust filter bag no kyerɛ no, wobetumi akyekyɛ mu ayɛ no: abɔnten filtering type ne emu filtering type.
4. Sɛnea ɔhyew a ɛwɔ mfutuma a wɔde yiyi mu no mu no, wɔakyekyɛ mu ayɛ no: ɔhyew a ɛkɔ soro, ɔhyew a ɛwɔ mfinimfini, ne ɔhyew a ɛfata. 5. application fields Application fields: dade ne dade afiri, ferroalloy afifide, afifide a ɛnyɛ den, nneɛma a wɔde yɛ adwuma, tumi a wɔde yɛ cement afifide, nnuru a wɔde yɛ nnuru, afifide a wɔyɛ, carbon black, aluminium afifide, ne nea ɛkeka ho.
(1) ɔhyew a ɛba fam, a ɛfata ma bag mfutuma a wɔboaboa ano wɔ mpɔtam hɔ mfutuma mmeae te sɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma, semɛnte afiri, silo ahorow a ɛwɔ soro ne ase, ne nea ɛkeka ho, na sɛ wɔde di dwuma wɔ nsu a ɛyɛ hyew kɛse mu a, ɛsɛ sɛ wɔde ngo a wɔde yɛ aduru a ɛma nsu no kɔ soro-repellent ne nea nsu ntumi nkɔ mu no di dwuma
(2) Ɔhyew a ɛyɛ daa ne nea ɛkɔ soro, a ɛfata ma bag mfutuma a wɔboaboa ano ma mframa a wɔde yi mframa a ɛyɛ hyew a ɛkɔ soro te sɛ cement vertical fononoo, fononoo a ɛkyinkyini, coolers, dryers, ne nea ɛkeka ho, na sɛ wɔde di dwuma wɔ ɔhyew a ɛkɔ soro ne ɔhyew tebea a ɛkɔ soro mu a, ɛsɛ sɛ wɔde ngo di dwuma wɔ soro{2}}repellent ne nsu a ɛmma nsu ntumi nkɔ mu.