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NBII Educational Resources
to biological resources and information of interest
to teachers student

PV Scientific Instruments
models of apparatus used in great discoveries
in electricity magnetis

Information Unlimited
projects for the electronics hobbyist including Tesla
coils and power

Web-shops.net
a variety of scientific instruments supplies specimens
and kits.

Electro-Chem-Technic
and sells a novel small fuel cell
and offers hydrogen sources accessor

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