เพราะถือว่าทุกกิจกรรมในชีวิตประจำวันนั้นมีน้ำเข้ามาเกี่ยวข้องเกือบทั้งสิ้น
Because it is considered that all the activities in the daily life there is water coming into almost all involved.
Because all activities of daily life that involved almost all water.
It is considered that every activity in daily life have involved almost all.