Toshiba Tecra A3 Maintenance Manual page 154

5. Glass is used in the panel, so be careful not to drop it or let it strike a hard object, which
could cause breakage or cracks.
6. CMOS-LSI circuits are used in the module, so guard against damage from electrostatic
discharge. Be sure to wear a wrist or ankle ground when handling the module.
TECRA A3/S2 Series Maintenance Manual A-3