1. Lesoba la phini le manehiloeng ka khauta, motlakase o matla o tsamaisang motlakase
2. Khanyetso e nyane, e thibelang oxidation.
3. Karolo ea mantlha ea rabara e hanela mocheso o phahameng, e thibela malakabe, e ntle ebile e tšoarella.
-1. Lihlahisoa tse bohlale tse aparoang: oache e bohlale, lesale la letsoho le bohlale, likhalase tse bohlale, li-headset tsa Bluetooth, jj.
-2.3C Lihlahisoa tsa bareki: matlapa, liloko tsa elektroniki, likoloi tsa motlakase. Selefounu. Thapo ea data ea ho tjhaja, jj.
-3. Indasteri ea bongaka: lisebelisoa tsa bongaka, lisebelisoa tsa botle, AIDS ea kutlo, sphygmomanometer, sebali sa ho otla ha pelo, electrocardiograph e tšoaroang ka letsoho, jj.
-4. Lisebelisoa tse bohlale: liroboto tse bohlale, lisebelisoa tse tšoaroang ka letsoho, li-drone, lisebelisoa tsa likoloi, jj.