1. Ivyitegererezo vy’ibara ry’umuhondo n’amashanyarazi: Ibice bikoreshwa mu buryo bumwe birakeneye kugira umuriro umwe n’amashanyarazi kugira ngo umuzigo ushobora gukwiragizwa.
2. Ubwoko bw’imirongo: Ubwoko butandukanye bw’imirongo (nk’akarorero, intsinga z’umuringa n’imirongo y’aluminium) zishobora kugira ubushobozi butandukanye bwo guhangana n’ibintu, rero umuntu akwiye kwitwararika cane iyo akoreshwa mu buryo bumwe.
3. Uburyo bwo guhuza: Uburyo bwo gufatanya bw’umugozi bukwiye kwubahiriza ingingo mfatirwako z’umuyagankuba kugira ngo umuntu ashobore gukorana neza, kugabanya ubushobozi bwo guhangana n’ugutakaza.
4. Ibirango vy’amashanyarazi: Ibirango vy’umuyagankuba vy’imirongo y’amashanyarazi (nk’uguhagarika, ubushobozi n’ubushobozi bwo kwinjira) bikwiye guhura kugira ngo ntihagire ikintu kidakenewe mu bijanye n’ubuhinga bw’amashanyarazi canke ugutemba kw’umuriro.
