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The 1949 movie Twelve O'Clock High takes its title from the system. In this case, the position would be ahead and above the horizon, an advantageous position for the attacker. The phrase "on your six" refers to the six o'clock or the adjacent positions; that is, the expression cautions that someone is behind you or on your tail. Likewise ...
With a centimeter tape measure, the breast is measured from 3 o'clock to 9 o'clock (Fig. 23-4, A) and from 12 o'clock to 6 o'clock (Fig. 23-4, B). These two measurements are multiplied, yielding a figure called the breast unit. Table 23-3 shows the typical spread of breast units in a normal adolescent.
The N is at the 12 o'clock position, the 2-digit year is at the 9 o'clock (tens) and 3 o'clock (ones) positions, and the caliber is at the 6 o'clock position. NORMA ÅB Norma Projektilfabrik – Åmotfors, Sweden. Foreign Contract Number Headstamps. 434 Bakelittfabrikken (1946–present) – Aurskog, Norway. Acquired by the Nammo Group in 2005 ...
To calculate a single deepest pocket, the sonographer scans each of the four quadrants of the abdomen looking for the deepest pocket of amniotic fluid that does not include any fetal body parts or an umbilical cord. It is measured from the 12 o'clock position to the 6 o'clock position. For reference, a normal SDP is 2–8 cm.
In this method, the direction a vessel, aircraft or object is measured as if a clock face is laid over the vessel or aircraft, with the number twelve pointing forward. Something straight ahead is at 'twelve o'clock', while something directly off to the right is at 'three o'clock'. This method is only used for a relative bearing. [8]
Breast ultrasound is also used to perform fine-needle aspiration biopsy and ultrasound-guided fine-needle aspiration of breast abscesses. [8] Women may prefer breast ultrasound over mammography because it is a painless procedure and does not involve the discomfort of breast compression present in mammograms.
The Quadrantid meteor shower is one of the strongest, and quickest, meteor showers of the year. Here’s what you need to know to observe it during peak activity.
The angle is typically measured in degrees from the mark of number 12 clockwise. The time is usually based on a 12-hour clock. A method to solve such problems is to consider the rate of change of the angle in degrees per minute. The hour hand of a normal 12-hour analogue clock turns 360° in 12 hours (720 minutes) or 0.5° per minute.