I recently completed a roof project for a relative. This was roof #3 for the home- tore off the previous two layers. The home is about 40 years old with roof trusses and 1/2 (maybe 7/16) plywood sheathing, no clips. Plenty of roof and eave ventilation. As expected, the roof deck seemed to be quite brittle. A 220# guy with a bundle of shingles in hand could have stepped through the roof quite easily.
DSLR Definition: Digital Single Lens Reflex Camera. The Nikon D3000 is a DSLR camera. A DSLR, or digital single lens reflex camera is an advanced type of digital camera that provides high-level image quality, performance levels, and manual control options, typically much better than what you'd receive with a fixed lens camera.
Our systems are designed to bring customers the latest technology in underwater systems as well as in training and simulation. The company is a subsidiary of Acorn Energy (NASDAQ: ACFN). DSIT is a world leader in the area of underwater site security systems. The company's AquaShieldâ¢ is a diver detection sonar (DDS) that protects ports, naval bases, energy terminals and offshore platforms against underwater intrusion from divers of any type and from divers on swimmer delivery vehicles under the water.