A specialized room or place equipped for scientific research, experiments, or teaching.

प्रयोगशाला

English Usage: The scientist spent hours in the laboratory conducting experiments.

Hindi Usage: वैज्ञानिक प्रयोगशाला में घंटे बिताते हुए प्रयोग कर रहा था।

A person whose job is to help or take care of someone or something.

परिचारक

English Usage: The hotel attendant assisted us with our luggage.

Hindi Usage: होटल के परिचारक ने हमारे सामान में मदद की।