HEATKEYS

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

Online weights and measures conversion. Online calculators for quick and easy metric conversion, conversion tables for both commonly used and very exotic units.

Serving customers in technology, energy, healthcare and industrial markets worldwide with a unique portfolio of products, services and solutions, providing atmospheric gases, process and specialty gases, performance materia...

Ozone applications for ozone water treatment, food preservation, food processing, odor reduction, bottled water and food storage. Suppliers of ozone generators and ozone injection systems for groundwater remediation & odor removal.

An online center for Computational Fluid Dynamics. Services include a comprehensive link section, a jobs database, a CFD-Wiki, and a discussion forum. This is the largest CFD site on the net.

Lenntech designs, builds and installs a wide range of odour treatment, water purification and air filtration products using UV, ozone, Ecosorb, drum filtration. Also cooling towers.

The second largest translation marketplace.

Features military and civil aircraft pictures and information, aerospace design concepts, and frequently asked questions.

A book: THE FUNDAMENTALS OF STACK GAS DISPERSION written and published by Milton R. Beychok, is the most comprehensive book ever written on air dispersion modeling and calculations.

Convert between various measurement units, weight to volume and volume to weight. Unit definitions. Volume, area, gravel and mortgage calculators.