How a Pak thing becomes Najis

126. If a Pak thing touches a Najis thing and if either or both of them are so wet that the wetness of one reaches the other, the Pak thing will become Najis. Similarly, if the wetness is so less that it does not reaches each other, then the Pak thing will not become Najis.  

127. If a Pak thing touches a Najis thing and one doubts whether either or both of them were wet or not, the Pak thing does not become Najis.