Isetyenziswa kakhulu kwizixhobo zokhuseleko, imichiza, ukugcinwa kwamanzi, i-petrochemical, ishishini jikelele, ubomi bemihla ngemihla, ibhulorho, uhola wendlela
1. Isakhiwo esizinzileyo.Umphezulu ogudileyo, amandla afanayo, ukuxhasa ukwenziwa komatshini
2. Khetha imathiriyeli ngokungqongqo.Ukukhetha okungqongqo kwezinto ezivela kumthombo, ukusetyenzwa kwemveliso kungqongqo.
3. Imathiriyeli egqwesileyo.Isiqinisekiso somgangatho womvelisi womthombo, ubomi benkonzo ende.
4. Imveliso yobungakanani.Unikezelo olwaneleyo, ukuveliswa kunye nokulungiswa koomatshini abaninzi, iindidi ezahlukeneyo, ukubonelela okuzinzile kunye okwaneleyo.