Ndị na-eweta igwe anaghị agba nchara
ngwa
A na-eji igwe anaghị agba nchara mee ihe maka ngwa ahịa n'ọtụtụ ebe n'ihi ihe na-eguzogide corrosion, yana yana ụkpụrụ ndụ nke peples na-akawanye mma, mmepe akụ na ụba.
N'okpuru ebe a bụ akụkụ nke ngwa ahịa igwe anaghị agba nchara na ụdị ngwaahịa igwe anaghị agba nchara na-arị elu karịa ike ahịhịa, tankị mmiri, tankị nchekwa, iko, isi agụba, agụba mash, igwe ịsa akwa, mwekota, hose na-agbanwe agbanwe, akụkụ stamping, elekere elekere. mmiri/Spiral Spring.