Safety devices, namely, load sensors for use in preventing overloading or turning over of heavy machinery; electronic components for heavy machinery, namely, load moment indicators for use in preventing overloading or turning over of heavy machinery; electronic rated capacity indicators for monitoring the load moment or tipping point of heavy machinery; heavy machinery operator warning systems primarily comprised of emergency warning lights, electronic warning bells, and mounted video display monitors showing load information; heavy machinery load limiters for use as a safety device to prevent overloading or turning over of heavy machinery; Electronic switches, electronic indicators and electronic monitoring devices as used as operational aids for heavy machinery; Weighing devices, namely computers, sensors, printers, displays and transmitters and receivers for sending and receiving data from the sensors, all for use in weighing loads of loading equipment, shipping equipment and transportation equipment