Where?
Restaurants, Airports, Bus Terminals, Rail Stations, Houses of Worship, Banks, Hospitals, Hotels, Schools, Theme Parks, Casinos, Sports Arenas, Theaters, Museums, Malls, Department Stores, Drug Stores, Liquor Stores, Home Improvement Stores, Warehouses, Factories, Office Buildings etc.
For What?
The CTH checks peoples temperature and sanitized their hands BEFORE they enter any building. If the person has a high temperature or does not sanitize their heads the checkpoint will NOT allow them to enter the building. If the persons temperature is OK AND they sanitize their hands they are allowed to pass.