HEATKEYS

ASTM International develops international standards for materials, products, systems and services used in construction, manufacturing and transportation. ASTM standard specifications and test methods define uniform requirements and procedures.

We specialize in certified reference materials as well as certified reference standards, chemical reference standards and analytical reference standards. We also specialize in analytical reference materials as well as pharmaceutical reference standar...

Tools and Basic Information for Design, Engineering and Construction of Technical Applications

Download fully functional evaluation copies of our engineering, project management and risk analysis software, or follow our links to other sites.

METTLER TOLEDO is a global provider of precision instruments and services for professional use. Select an area and learn more about our wide range of products and applications for weighing, measuring and analyzing.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

ISSYS uses microCoriolis sensor technology to develop liquid density meters, gas density meters, and micro liquid density sensors.

The public policy blog of the American Enterprise Institute