HEATKEYS

Air Conditioning, Heating & Refrigeration NEWS site has up to date weekly information that covers all aspects of the ACHR and HVAC industry.

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

Process Cooling is written for manufacturing engineers and focuses on equipment that is used to cool, extract heat, or maintain temperature during the the manufacture of manufactured goods, as well as equipment used to cool manufacturing equipment. T...

Engineered Systems provides Sustainable Solutions for High Performance Buildings and leading editorial information about real-world solutions to the situations faced every day by the HVACR mechanical systems engineer.

گروه صنعتی ناب چربی گیر - سپتیک تانک پلی اتیلن - سپتیک تانک بتنی - پکیج تصفیه فاضلاب - مخزن پلی اتیلن - برج خنک کننده - آب شیرین کن - سختی گیر - فیلتر شنی

IHS Inc. -- Engineering, Technical, Energy and Market-specific Information Solutions

Construction database of general contractors,architects, engineers, sub-contractors, material and equipment suppliers and manufacturers.

Share what you know and love through presentations, infographics, documents and more