Suppliers of products or services should submit their sites to an appropriate category in our Business section. Metrology Please check that your site is not a manufacturing or service company. Legal metrology is the part of metrology where regulations are implemented in order to ensure an appropriate level of credibility in measurement results whenever conflicting interests exist, or when incorrect measurement results may adversely affect individuals or society itself. Mining Mining Sites with interest to the professional and recreational miner. Nanotechnology Please only submit sites related to engineering at scales much smaller than a micrometer.
Nanotechnology is miniaturization engineering at the nanometer scale.
Quality Engineering Please submit only sites that deal with the science and art of Quality Engineering. Sites selling quality related equipment should be listed under Shopping, and sites for companies providing Quality Engineering related services should be listed under Business. Quality Engineering attempts to illuminate the economic significance of quality problems and determine methods of solving them independent of the production process. It differs from quality control, which is used during the production process to affect quality. This category is for sites dealing with the science and technology of safety engineering.