The left coronary arteries supply: 1  Circumflex artery - supplies blood to the left atrium, side and back of the left ventricle. 2  Left Anterior Descending artery (LAD) - supplies the front and bottom of the left ventricle and the front of the septum.
A small luminary kit comes with 12 luminaries, the standard size has 24 luminaries. Luminaries should be placed about every 4 feet along your sidewalk connecting your neighbors on both sides. Most homes light their front walks from sidewalk to to their door as well.
3. Follow the ceiling height rule of thumb. To determine how far apart to space your recessed lights, divide the height of the ceiling by two. If a room has an 8 foot ceiling, you should space your recessed lights approximately 4 feet apart. If the ceiling is 10 feet, you'll want to put about 5 feet of space in between each fixture.