- On average, a
column of
air with a cross-sectional area of 1
square centimetre (cm2),
measured from the mean (average) sea
level to the top of Earth's atmosphere...
- HASL or HAL (for hot
air (solder)
leveling) is a type of
finish used on
printed circuit boards (PCBs). The PCB is
typically dipped into a bath of molten...
-
Air fluid levels may
refer to:
Bowel obstruction Hydropneumothorax, both
air and
liquid around the
lungs Waters' view, a type of head X-ray that can show...
- The
London deep-
level shelters are
eight deep-
level air-raid
shelters that were
built under London Underground stations during World War II. Each shelter...
-
Levelling or
leveling (American English; see
spelling differences) is a
branch of surveying, the
object of
which is to
establish or
verify or measure...
- Most
Air Force badges are
awarded in
three degrees or
skill levels.
Aeronautical rating badges for pilots,
combat systems officers, observers, and
air battle...
- Bel
Air name from 1950 to 1952. With the 1953
model year, the Bel
Air name was
changed from a
designation for a
unique body
shape to a
premium level of...
- An
air purifier or
air cleaner is a
device which removes contaminants from the
air in a room to
improve indoor air quality.
These devices are commonly...
- mean sea
level (AMSL) is the
elevation (on the ground) or
altitude (in the
air) of an object,
relative to a
reference datum for mean sea
level (MSL). It...
- held constant. For example, with
clothing level = 1,
metabolic rate = 1.1, and
air speed 0.1 m/s, a
change in
air temperature and mean
radiant temperature...
