Design and Analysis of Machine Elements
An introduction to the creative solution of engineering design problems and the analysis of miscellaneous machine components
http://www.mech.uwa.edu.au/DANotes/

Qua-Tech
Manufacturer and exporter of gear hobbing machine, precision machine, milling machine and bar automat machine.
http://www.qua-tech.com

Haase & Kühn SA
One of the leading manufacturers of industrial knitting needles and elements for knitting machine builders and final knitters worldwide
http://www.haase-kuehn.com/

P Elements in Drosophila
The natural biology of P-elements, and how it has been harnessed into a powerful genetic tool.
http://engels.genetics.wisc.edu/Pelements/Pt.html

Elements
Periodic table of the elements, packed with data and able to interactively produce useful graphical output. It also speaks!
http://rogerdarlington.members.beeb.net/ShopE.htm

Rediscovery of the Elements
Rediscovery of the elements is a visual tour of the original sites of the discovery of the chemical elements.
http://www.jennymarshall.com/rediscovery1.htm

ChemicalElements.com: Online Periodic Table
An up-to-date periodic table with detailed but easy to understand information
http://www.chemicalelements.com

Stampaggio Plastica Termoindurenti
We produce: industrial handles, handwheels, handgrip, cabinet knobs, shifter knobs, plastic injection moulding, standard machine elements, thermoplastic accessories. Based in Italy, export worldwide. Produciamo: maniglieria industriale, manopoleria industriale, maniglie, impugnature, volantini, stampaggio materie plastiche, manopole.
http://www.sptgatto.com/

Heteroatom Chemistry
Publishes work with compounds containing main-group elements of groups 13 through 17 of the Periodic Table and certain other related elements.
http://www3.interscience.wiley.com/cgi-bin/jhome/38027

Elements of life
Chemistry is a constant and even unnoticed companion in our everyday activities. Right in the centre of all this are the chemical elements of the periodic table, on the basis of which chemists are constantly developing new, interesting solutions and products
http://www.elements-of-life.org/