1. Iindawo ezinemvula eninzi, ukufuma kunye nesitshizi esinzima setyuwa.
2. Indawo yokusebenza ifumile kwaye kukho indawo yomphunga wamanzi.
3. Umphakamo awudluli kwi-2000m.
4. Indawo yokusebenza iqulethe uthuli olungatshayo olufana nesanti nothuli.
5. Indawo yokusebenza iqulethe iigesi ezitshabalalisayo ezifana ne-acids ebuthakathaka kunye neziseko ezibuthathaka.
6. Isebenza kwi-petroleum, ikhemikhali, ukutya, amayeza, umkhosi, indawo yokugcina impahla kunye nezinye iindawo.
7. Isetyenziselwa ukukhawuleza okanye ukuqhawula isiphaluka esincinci sangoku, kwaye ukhuphe imiyalelo kwisiphaluka sokulawula ukulawula iiyunithi zombane ezifana ne-contactors kunye ne-relays.