A "weighbridge" is a heavy-duty platform scale used to measure the weight of large vehicles like trucks, primarily in industries like logistics and mining, where it accurately determines the weight of transported goods by utilizing load cells to convert the vehicle s weight into an electrical signal displayed on a digital indicator; "spares" refers to the replaceable parts needed for maintenance and repairs of a weighbridge, including components like load cells, junction boxes, cables, and parts of the weight indicator itself.