A charged device model (CDM) test is used to define the ESD a device can withstand when the device itself has an electrostatic charge and discharges due to metal contact. This discharge type is the most common type of ESD in electronic devices and causes most of the ESD damages in their manufacturing.
There are 2,000 pounds in one ton. Tons and pounds are both units of measurement that describe mass.
the ton that is used in the us translates into 2000 pounds or roughly 907 kg the long ton tonne is equivalent to 2240 pounds but it is not used commonly in the us in english speaking countries the spelling tonne is commonly used as a measurement of weight