Iplatifomu ejikelezayo enezingqimba ezisindayo iyiplatifomu ejikelezayo esebenza ngokwedlulele, inesakhiwo sokuphotha esingenalutho kanye nesakhiwo sokusekela umthwalo, sinesakhiwo esilula, esisebenziseka kalula futhi sigcinwe kalula, emikhakheni ehlukahlukene isetshenziswa kabanzi emikhakheni ehlukahlukene yezimboni, njengale: amakhemikhali, i-petroleum, insimbi nensimbi, ugesi...
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