*Top with Zipper and Velcro Closure,Combat Pants with Button Closure. *Multi Pockets, Hook and Loop,Convenient to Use. *Drawstring Waist and Leg Cuff for ultimate freedom . *Hanging Loop for Hang Small Tools and Ropes Reinforced Elbows and Knees.
The inner and outer surfaces of a single-wall corrugated pipe are corrugated, and their bending and flexibility are excellent, but their fluid resistance is large, and the deposition of suspended matter at the inner surface of the spiral groove is easy to