Alternatively, IVC filters can be placed at the bedside either using fluoroscopy or transabdominal or intravascular ultrasound. Knowledge of the normal and variant anatomy of the vena cava is important for successful placement of vena cava filters and prevention of complications.
Welder's Glass. Welder's Shade Glass. A heat resistant grey-green tinted glass made to provide the correct eye protection for every welding operation. The shade numbers 1-14 refer to the density needed for the different welding operations. The higher the number, the darker the shade. Stock sheet size is 0.108 thick in Density 3 through Density 14.
2000 JD 790. Welding lens / eclipse We will have a partial solar eclipse here in Georgia on X-mass day. The local newspaper says to use a welding lens greater than #14 to view the eclipse. I went to the local welding shop and the guy there told me the lower the #, the greater the shading, but I think he is mistaken. Anyway, he gave me a #7 and a #11.