O tɔn in bɛ ni sɛgɛsɛgɛli minɛnw ye minnu bɛ se ka kɛ ka ɲɛ: vernier calipers, elekitoronikiw, fɛnw janya jateminɛnanw, forow, fɛnw sɛgɛsɛgɛlikɛlanw, ani sɛgɛsɛgɛli masinw bɛ kɛ ka pakew sirilanw baarakɛcogo jiralan suguya caman suman tigitigi (yeelen, ɲɛjibɔ, funteni hakɛ caman, fanga caman, ani muɲuli). An bɛ tugu sɛgɛsɛgɛli kɛcogo wɔɔrɔ kɔ kosɛbɛ: fɛnɲɛnamafagalanw sɛgɛsɛgɛli, fɛnw sɛgɛsɛgɛli min bɛ na, ɛntɛrinɛti sɛgɛsɛgɛli, fɛn dilannenw sɛgɛsɛgɛli laban, sɛgɛsɛgɛli dontaw, ani sɛgɛsɛgɛli bɔlenw, k’a lajɛ ko fɛn dilannenw ka setigiya hakɛ bɛ tɛmɛ 99% kan.