Plastic piping is also used in plumbing, drainage, and wastewater systems; and as culvert pipes and DWV pipes for drain, waste, and vent applications. PVC pipe provides good flexibility, a smooth ...

PVC, carbon and alloy steel, stainless steel, titanium, and zirconium. Common ratings and features assigned to industrial pipe include maximum pressure, temperature range, flexible, lined, plated, ...

One of his more interesting builds is his series on building rocket engines out of PVC pipe written in conjunction with [Chuck Knight]. For the propellent grains, the PVC rocket didn’t use the ...

But not [truebassB], instead he built his own air pump from first principles (YouTube, embedded below) using PVC pipe. It’s a straightforward design in which the cylinder is a length of pipe ...

If you’re plumbing in a new drain or vent and have to join two different kinds of plastic pipe, black ABS and white PVC, ...

PVC can be used to create virtually leak-free pipes that help conserve energy and water. PVC pipes are corrosion-resistant and resistant to environmental stress. The natural features of PVC piping ...

He remains most at home on a tracto... Drain pipes might seem like a minor and often unseen part of your home. But if they break or malfunction, these fixtures can cause major problems.

So one reader made knife containers out of 2 pvc pipes and caps. He glued the cap on one end and marked the unglued cap with ...

徕卡Q3 43是徕卡Q3系列的小改款，保持6000万像素的全画幅传感器设计，镜头的焦距也从28mm变为了43mm。镜头型号是APO Summicron 43mm f/2 ASPH，徕卡终于将 ...

对于摄影爱好者、旅行用户、扫街用户等等来说，最痛苦的就是在拍摄过程中频繁的更换镜头，因此最需要的就是一镜走天下的镜头。其实市面上很多镜头都有一镜走天下的标签，但是焦段上并不足够完美，反而尼康有一支发布不久的镜头，绝对是真正的一镜走 ...

9月28日，“国社之镜·世纪光影”新华社新闻摄影展在内蒙古展览馆开展，同步展出“亮丽北疆·万马奔腾”新华社镜头中的内 ...

The edges are very good from f/2.8 to f/11, good at f/16 and soft at f/22. At 50mm, central sharpness is excellent from f/2.8 to f/8, very good at f/11 and f/16 and soft at f/22. The edges are ...