Answer by Gavin Harrington. Confidence votes 4.0K. A bitch is a female canine. The same word is often used in reference to something unpleasant or difficult to do. E.g- We had to deliver twenty large crates to the top floor, and the lift was out-that job was a bitch.
The internal jugular vein should be imaged and placed in the center of the ultrasound field. The needle should be angled at 40 to 60 degrees from the plane of the neck and 1 cm back from the middle of the ultrasound probe (Image 5).
Many manufacturers take the intake through a 90 degree bend into the cylinder. The straighter you can make the intake path the better it will be. Additionally the intake side of the head will benefit if you can create a Spiral flow into the cylinder as this gives much better fuel atomization.