Effectiveness of Sunscreen, Kit, Kit Includes: 15ml SPF 15, 15ml SPF 30, 1 Box Microscope Slides, Electromagnetic radiation in the UV range of the spectrum cannot be perceived by the human eye. Using the Neulog* UVB sensor designed to measure UVB radiation.
Didactic Painted Mini Skull Model, Reduced size (1/2 natural size), anatomically correct replica, Realistic details, texture and bony landmarks make this model ideal for educational demonstration, Multicolored pieces for easier identification, 15 Pieces
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