in order to move freely and minimize friction
Upright gait. Firstmate
The shadow is formed exactly below the object. So it cannot be seen.
Holding a baby upright is important for their development and well-being as it helps strengthen their neck and back muscles, aids in digestion, and promotes bonding between the baby and caregiver.
Holding a baby upright after feeding is important to prevent discomfort and reduce the chances of spitting up. This position helps the baby's digestion and can minimize reflux.
They are most important in allowing us to walk upright, support and protection.
I'm not exactly sure what you're asking but: In the shuttle you would be seated upright with the wheels facing down. On launch the astronauts are on their backs.
Meaning of upright image
the first subhuman to walk upright was Homoerectus (Upright Man).
upright
Upright = Yashar
Not sure exactly what you are asking. If you are referring to a stovepipe, that is a type of malfunction where the spent case does not fully eject from the pistol and gets stuck in an upright position in the ejection port.
C. Keep your back upright