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I'm looking for the properties of flame, burning and smoke of asphalt cement which is popularly used in pavement. Please advise if you know. Thank you in advance.

To prevent underground moisture penetrating into top pavement, I heared that a layer of a moisture barrier can be applied just beneath the pavement. This technique might have been used at Tennis Courts. Do you know where I can find the technical information about the moisture barrier and the...

If there are drag and vertical loads acting on aircraft wheels, what is the design and ultimate standards/limits for civil aircraft? Are they usually 0.8g in drag and 1.5g in normal?

To test our product, we are considering to conduct small aircraft wheel test. First, we need find the wheel rims for Beech 1900, Learjet 35 and Saab 340. Because of budget limitation, used one will be prefered. Do you know where I can find them? Thank you very much in advance.

Does any one know what's the surface resistivity (electrical property) of cement or concrete? Could it be 10^15 ohm? Thanks

I'm confused by the definition of Pneumatic Area inside a landing gear (LG) strut/shock absorber. One article said it's the section area of OD of an inner cylinder. However, I thought it's the section area of ID of an outer cylinder. If the OD of the inner cylinder and the ID of the outer...

To detect if there is any water within 2 to 3 feet under dry surface, what portable devices you suggest me to buy? And where I can buy? Thanks

Does any one over there know how can I convert a 3D wireframe file created by AutoCAD LT to a (*.stl) file format? Can any 3D modelers such as SolidWork, Solid Edge, etc. do this work? Thanks Jack

Does any one over there know how can I convert a 3D wireframe file created by AutoCAD LT to a (*.stl) file format? Can any 3D modelers such as SolidWork, Solid Edge, etc. do this work? Thanks Jack

Is anyone over there who knows how aircraft discharges itself before touching down on the runway? I think when aircraft flies in sky or pass through a static charged cloud, the aircraft could be fully charged because of friction or through direct transfer. The fully static charged aircraft could...

I alway think that fully cured concrete has different strength under different wet conditions. Is it true or not?

I added black pigment powder into polyurethane fluid and painted on a epoxy treated surface. After the paint dryed up, there were a lot of cracks on the paint, which obviously is not good. I want no crack on the paint. What I should do? Thanks

WE WOULD LIKE TO KNOW HOW HIGH TEMPERATURE CAN GO ON A BLACK-PAINTED SURFACE IN A BIG OPEN AREA UNDER SUNBURN? CAN IT BE HIGHER THAN 175F? THANKS