Crucibles da tanderu abubuwa ne daban-daban guda biyu da ake amfani da su wajen sarrafa kayan, musamman a aikace-aikacen zafin jiki. Ga manyan bambance-bambancen da ke tsakanin waɗannan biyun:

1. Aiki:
- Crucible: Gishiri wani akwati ne da aka tsara don riƙewa da zafi kayan a yanayin zafi mai girma. Ana amfani da shi don narkewa, jefawa ko sarrafa kayan kamar ƙarfe, gilashi da yumbu.
- Furnace: Tanderu wata na'ura ce ko tsari da ake amfani da ita don dumama kayan zuwa yanayin zafi. Yana ba da yanayi mai sarrafawa don tafiyar matakai kamar narkewa, annealing, maganin zafi da halayen sinadaran.

2. Gina:
- Crucible: Yawanci an yi shi da kayan kamar graphite, yumbu, silicon carbide, ko karafa masu jujjuyawa kamar tungsten, crucible akwati ne wanda zai iya jure yanayin zafi da halayen sinadarai.
- Furnace: Tanderu babban tsari ne ko yanki na kayan aiki wanda ya ƙunshi abubuwan dumama, rufi, da sarrafawa don cimmawa da kiyaye yanayin zafi. Ana iya tsara su don ƙayyadaddun aikace-aikace kamar narke ƙarfe, masana'anta gilashi ko maganin zafi na masana'antu.

3. Aikace-aikace:
- Crucible: An fi amfani da shi don ƙunshe da sarrafa ƙanƙanta zuwa matsakaici na kayan abu a yanayin zafi mai yawa, yawanci a wuraren da aka keɓe.
- Furnace: ana amfani dashi don dumama da sarrafa kayan a kan babban sikelin, yawanci ya haɗa da ci gaba ko aiki na ɗan lokaci. Ana amfani da murhun wuta a masana'antu daban-daban don matakai daban-daban na yanayin zafi.

A taƙaice, yayin da ake amfani da crucibles da tanderu a cikin aikace-aikacen zafin jiki mai zafi, ƙwanƙwasa wani akwati ne da ake amfani da shi don riƙewa da sarrafa kayan, yayin da tanderu babbar na'urar dumama ce ko tsarin da aka tsara don sarrafa zafi na masana'antu.