Second: water by itself achieves complete purification.
Third: there is no objection to touching the impurity for the purpose of removing it, because this is not considered “using” the impurity; it is simply disposing of it. A comparable case is a pilgrim in a state of ihram wiping off perfume from his body: although both perfume and applying it are forbidden during ihram, removing it is not one of the prohibited acts even though he must come into contact with it.
Shaykh al-Islam said: “The correct view is that it is permissible—and, in the soundest of the two reports from Ahmad, not disliked—to handle an impurity when there is a need. This is also the position of the majority of jurists, for a person cannot be certain he is clear of urine until some of it has already touched him.”
8 – He took care to shield himself from the eyes of onlookers by placing a barrier between them and himself, even if only a piece of cloth or the like, for gazing at another’s private parts without necessity is forbidden.
9 – It is permissible to employ free persons even for tasks of this nature.