Pit-Type resistance foro fana bɛ welda ka bɔ nɛgɛ la. Kɔnɔna bɛ lamini ni sanfɛ-Furakɛ-{3}} ye min bɛ se ka aliminiyɔmu silikati refractory fibre needle-punched blanket kɛ, min sirilen bɛ duguma ni funteni ye- min bɛ se ka nɛgɛ nɛgɛma ni funteni sɔrɔ{{- min bɛ se ka nɛgɛmafɛnw sɔrɔ minnu tɛ se ka sɔgɔ.
Pit-Type resistance foro:
1. Furnace bɛ ni fiɲɛbɔlanba ye walasa ka funteni hakɛ kelen sɔrɔ foro kɔnɔ.
2. Foro in bɛ mara yɔrɔ caman fɛ walasa ka funteni hakɛ kelennasigi ɲɛ ka taa a fɛ.
3. Furnace chambre bɛ sɔrɔ ni inox air guide barili ye.
4. Datugulan bɛ da wuli ka datugu ni kurunba ye walima ni jibolisira dacogo ni a dadon fɛɛrɛ otomatiki ye, ni ɲɛminɛlanw ye walasa ka da wuli ni dadon nɔgɔya.
5. Datugulan ni foro farikolo dilannen don ni sanfɛ-waatilan- fibre cotton ye min bɛ se ka wuli, o bɛ kɛ sababu ye ka funteni caman bɔ, ka fanga mara, ani ka dɔ bɔ sɛnɛfɛnw musakaw la.
6. A bɛ nafa ɲumanw di sigida ma.
Pit suguyaw-Type resistance forow:
Pit-Type resistance forow bɛ sɔrɔ suguya caman na wa u bɛ kɛ baara caman na. U bɛ baara kɛ fɔlɔ fiɲɛw la minnu bɛ sɔrɔ u yɛrɛ la walima minnu bɛ u tanga, wa u bɛ kɛ ka nɛgɛ janw furakɛli walima u sintirili kɛ nɛgɛ janw na (rods, long shafts).
Kɔlɔn fanba-Type resistance forow ye silinda ye. K’a sababu kɛ foro janyalen farikolo ye, walasa ka baarakɛminɛnw doni n’u baara nɔgɔya, u ka bon ani u ka baara kɛ ni u hakɛ ye{{{-Type resistance forow bɛ sigi dingɛw kɔnɔ tuma caman na, u yɔrɔ dɔrɔn de bɛ bɔ dugukolo sanfɛ. Foro kɔnɔ, nɛgɛdaga bɛ dilan ni nɛgɛdaga ye, wa foro kɔnɔna na, a bɛ kɛ i n’a fɔ kɛsu-Type resistance foro, min bɛ kɛ ni funteni ye-insulating refractory layer ani thermal insulation layer. Ka kɛɲɛ ni baarakɛ funteni ye, a tilalen don sanfɛ-waati, cɛmancɛ-funteni ni duguma-sumalan kɔlɔn-Sype resistance furnaces, kelen-kelen bɛɛ bɛ baara kɛ ni foro kɔnɔ fɛnw ye minnu tɛ kelen ye. Walasa ka kɔlɔn dɔw hakɛ dɔgɔya-Type resistance forow, foro farikolo ni foro datugulan fila bɛɛ ye ji-nɛnɛ ye. Nin foro suguya in tɛ ni refractory layer walima thermal insulation layer ye, wa a bɛ baara kɛ ni nɛgɛmafɛnw ye i n’a fɔ heat insulation screen. A fanga hakɛ ka bon kosɛbɛ ka tɛmɛ foro dɔ kan min dilalen don ni funteni ye.
