Steel pipe elbow (sometimes also referred to as bends) is a key part of a pressure piping system used to change the fluid flow direction. It is used to connect two pipes with the same or different nominal diameters, and to make the pipe and thus the fluid direction turn to a certain direction of 45 degrees or 90 degrees.http://www.zhijusteel.com/elbow/

Lead-tin alloys containing up to 98 percent by weight in are used as soldiers. The strengths of these alloys increase with higher tin content, while the melting point is lowered to a minimum of 183 °C (361 °F) with a lead content of 38 percent. A half-lead–half-tin alloy is the most common general-purpose solder.http://www.wocmetal.com/low-me....lting-alloys/lead-ti

Double deflection Bluetooth control HVAC vent, the front part is AV (H) tuyere, the rear part is OHD electric regulating valve, is a relatively common air supply outlet (pipe air supply and indoor central air conditioning). OHD electric regulator can be used with ASD http://www.sxcanreal.com/

A foldable plastic crate is used for the storage of various goods and for shipping from one location to another. The goods are positioned in a crate, with or without cover, and set or stacked onto a pallet loaded onto a transportation vehicle such as truck or train car and shipped to its destination. http://www.sjzwlplastic.com/

The sounds available to you when you play are not limited to what you do with your hands. Piano pedals (the levers at your feet) enrich the sound in various ways, opening out possibilities further than the keyboard, from subtle nuances in dynamic to bold changes in the tone.http://www.sihaimetal.com/piano-pedal/