Ka lilemo tse 10 tsa RO, HID e iketselitse mochine oa eona oa mohala o feletseng oa tlhahiso, bakeng sa ho etsa lesela la RO la boleng bo nepahetseng le ka katleho e utloahalang Har'a baetsi ba li-membrane ba China ba holimo, mechine ea HID e u fa moralo o "lokisitsoeng" ho netefatsa ts'ebetso e phahameng le boleng ba molumo oa li-membrane tse phahamisitsoeng.
