1. Ukulawulwa kwekhwalithi okwengeziwe (noma okuthuthukisiwe)
2. Kuthuthukise isivinini sokukhiqiza
3. Ukuthuthukiswa kwe-ergonomics nokunciphisa ingozi yokulimala kwabasebenzi
4. Nciphisa izindleko zabasebenzi
1. Ukulawulwa kwekhwalithi okwengeziwe (noma okuthuthukisiwe)
2. Kuthuthukise isivinini sokukhiqiza
3. Ukuthuthukiswa kwe-ergonomics nokunciphisa ingozi yokulimala kwabasebenzi
4. Nciphisa izindleko zabasebenzi