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.
In the United States and Canada, a ton is sometimes referred to as a short ton or net ton and is always equal to 2,000 pounds. In the United Kingdom, where the imperial system is used, the ton is often referred to as a long ton and is equal to 2,240 pounds or 1,016 kilograms. In areas where the metric system is used, a metric ton is equal to 1,000 kilograms.