The Ancient Mayan Civilization
Home .
Geography .
Aidan
Max
Nina K-C
Daily Life .
Leonardo
Caroline
Ben
Arts and Leisure .
Natasha
Hanna
Bennett
Jujaar
Economy and Politics
Julianna
Giulia
Albert
Plumb bob
A
p
lumb bob is a large piece of string attached to a heavy weight used for measuring large objects.