Amagwiritsidwa ntchito mu mitundu yonse ya nsalu, kusindikiza ndi utoto, zovala, nsalu, zikopa, pulasitiki ndi zinthu zina sanali ferrous kuwala fastness, nyengo fastness ndi kuwala kukalamba kuyesa, kudzera kulamulira malo mayeso mkati mwa polojekiti monga kuwala, kutentha, chinyezi, kupeza konyowa mumvula, perekani kuyesa kofunikira kofananira ndi zinthu zachilengedwe, kuti muwone kufulumira kwachitsanzo, kufulumira kwa nyengo ndi magwiridwe antchito okalamba.