This preview shows page 34 - 36 out of 36 pages. Subscribe to view the full document. I cannot even describe how much Course Hero group me this summer. In the flashing, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.
Nha Trang University. PILOT When lighted a white flashing light showing a group. When lighted, a white flashing light showing a group of two flashes F1  is used to denote an black sheep fuck danger mark.
The association of two flashes and two spheres in the topmark may be a help in remembering these characteristics. Safe Water Marks Safe water marks fig. Such a C Red and white vertical stripes are used for safe water marks. The vertical stripes are used to distinguish them from the black-banded danger marks.