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2. Gypsum concrete - Wikipedia

   en.wikipedia.org/wiki/Gypsum_concrete

   Gypsum concrete is a building material used as a floor underlayment used in wood-frame and concrete construction for fire ratings, sound reduction, radiant heating, and floor leveling. [1] It is a mixture of gypsum plaster, Portland cement , and sand .

3. Insulating concrete form - Wikipedia

   en.wikipedia.org/wiki/Insulating_concrete_form

   The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...

4. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Insulation may be categorized by its composition (natural or synthetic materials), form (batts, blankets, loose-fill, spray foam, and panels), structural contribution (insulating concrete forms, structured panels, and straw bales), functional mode (conductive, radiative, convective), resistance to heat transfer, environmental impacts, and more.

5. List of STEP (ISO 10303) parts - Wikipedia

   en.wikipedia.org/wiki/List_of_STEP_(ISO_10303)_parts

   The most complex and sophisticated STEP AP. Part 212 - Electrotechnical design and installation. Designed as a complement for AP214, but not fully harmonized with it. Part 214 - Core data for automotive mechanical design processes; Part 215 - Ship arrangement; Part 216 - Ship moulded forms; Part 218 - Ship structures

6. Sound transmission class - Wikipedia

   en.wikipedia.org/wiki/Sound_transmission_class

   The STC or sound transmission class is a single number method of rating how well wall partitions reduce sound transmission. [3] The STC provides a standardized way to compare products such as doors and windows made by competing manufacturers. A higher number indicates more effective sound insulation than a lower number.

7. Bayern goalkeeper Mala Grohs is back in training after ...

   www.aol.com/bayern-goalkeeper-mala-grohs-back...

   Bayern Munich goalkeeper Mala Grohs has returned to training after she underwent treatment on a malignant tumor, the German soccer club said Tuesday. Grohs took an indefinite leave of absence in ...