The Mech
They required protection from harm due to their essential role in a mech's offense, but they also had to retain their nimbleness in order to operate their weapons as smoothly as real human arms.
Regarding the use of arms, mech designers generally chose from three different options. One was to keep the arms articulated like a human's, letting the mech depend on external weapons like pistols and rifles. Great importance is placed on mimicking the arms to its biological equivalent, sometimes achieving a synchronization of up to 99%. This allowed marksmen to fire their weapons as accurately as they could in real life without depending on aim assist and other guided aids, which provides a remarka