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it is easy to operate and carry
reflection
Secure Seal and Soft Cushion: The soft cushion of this CPR mask offers a secure seal
For the demonstration of the structures and working
Pendulum Bobs it is easy to operateSet of 6, Pendulum Bobs Material: Brass Diameter: 25mm Product may contain Lead & Brass use in a protected environment, under the adult's guidance. Premium Quality: Pendulum Bobs is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different
