标The prime purpose for fire doors is to save lives and stop the progress of fire in support of both escaping occupants and fire-fighting activities. They are an important part of...

Aluminum Alloy 8011 Foil Description Aluminum Alloy 8011 foil is a typical alloy for aluminum foil and is currently the most widely used metal in our daily life. Properties such as...

To ensure consistent and accurate seal integrity a load cell provides real time information on seal pressure. A secondary high-speed sensing system will detect any foreign object b...

  Essential to modern life and a familiar part of our surroundings, yet often not treated with deserved respect. Run over, walked on, crimped in windows and doors, left out in sun...

  Water Well Maintenance and Rehabilitation The purpose of the study to obtained water well screens opening size and gravel packs size, and to access within the groundwater inter t...