I-valve uvemvane lwe-taike lungahlukaniswa lube i-valve uvemvane womoya, i-valve uvemvane kagesi, i-valve uvemvane, njll. I-valve uvemvane uhlobo lwe-valve esebenzisa ipuleti uvemvane eliyindilinga njengengxenye yokuvula nokuvala futhi izungeza nesiqu se-valve ukuze ivuleke, vala, futhi ulawule...
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