1. Dị mma, ngwa ngwa ma dịgidere.
2.Small size, gold plated agịga isi, mgbochi corrosion ihe.
1.3C ngwaahịa ngwaahịa: mkpọchi eletrọnịkị, ụgbọ ala eletrik, iko mmiri nwere ọgụgụ isi.Ekwentị mkpanaka.Ịchaji eriri data, wdg.
2. Ụlọ ọrụ ahụike: nyochaa ọnụọgụ obi, ihe enyemaka ntị, ngwá ọrụ ahụike, ngwa mma, nyocha ọbara mgbali elu, electrocardiograph ejiri aka, wdg.
3. Ngwaọrụ nwere ọgụgụ isi: robots nwere ọgụgụ isi, sensọ, ngwaọrụ ejiri aka, drones, wdg