is the answer 8,500 lbs? 9,000 lbs ?,9,500 lbs?, 10,000 lbs ?
it is leadalso if you have about 12ft of concrete
Although various materials can be used to stop radiation, lead seems to have the reputation of being the best shield depending on its thicknessAnswer: a) several cm of lead
a) leadOne can also use plexiglass, believe it or not.
you are over loaded by 500 lbs before you start you must move the Crane nearer the item to be lifted or remove the ball
