“ESD” stands for Electrostatic Discharge — a MS ESD workstation is a workbench / table built with static-dissipative surfaces and grounding, to prevent electrostatic discharges that could damage sensitive electronic components.
TPS
“MS” means Mild Steel — the frame is made from powder-coated mild steel, giving a sturdy industrial-grade bench suitable for assembly, testing, repair, or manufacturing of electronics.
imsystech.in
Typical features: ESD-safe laminated / antistatic table top, grounding cord / common grounding point, ESD mats or surfaces, sometimes additional accessories (mat, grounding wrist strap, ESD-safe storage, etc.).