Cindy was protected by the lead shield, and the technician was protected by going in another room.
Explanation:
The radiologic technologist use lead apron over the part of the patient that require radiographic safety or over the diagnostic part of the body.
In the given case, lead shielding protects leg of Cindy from the direct exposure of X-ray and protect her from harmful effects of X-ray to human body. Lead shield completely absorb x-ray energy and do not allows it to penetrate through the shield.
The technician was protected by going in a different room as he will be far from the direct contact of X-ray and will be safe.
This aerobic exercise can achieve a "burn rate" of up to 1300 calories per hour of vigorous activity, with about 0.1 calories consumed per jump. Ten minutes of jumping rope can roughly be considered the equivalent of running an eight-minute mile.