Project: Sanitation and Disease: for primary students (UP) - 0 views
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Alison Hall on 29 Jul 08create an understanding of the connections between clean water, sanitation and disease
Automatic Stainless Steel Sensor Infrared Handfree Soap Sanitizer Dispenser This item has built-in infrared smart sensor, soap will come out automatically once laying your hand, dishware, etc. unde...