Answer:
Thermometers
A thermometer (thermos: hot; metron: measure) is the universal instrument used to measure temperature.
A clinical Thermometer is meant for clinical purposes. It is developed for measuring the human body temperature.
A laboratory thermometer, which is colloquially known as the lab thermometer, is used for measuring temperatures other than the human body temperature.
Similarities between Clinical Thermometer and a laboratory thermometer
Both are made of glass and consist of a long narrow glass tube.
At one end, both of them have a bulb.
Bulbs of both the thermometers consist of mercury
Celsius scale is present in both the thermometer