Due to Covid-19 I had to wear a mask and the room was very stuffy (air-con possibly turned off). I was sweating badly in my suit. Both the interviewer and I couldn't go on for more than the first 15 minutes. I could see he was distracted and seemed anxious to end it. I could not think or be at my best when I had to raise my voice to speak seated 6 feet away under a mask and drenched in sweat. He finished the interview very abruptly just 30 minutes into the session and asked if I had any questions. I

Smooth and strait to the point interview/whole hiring process. Open communication about the role and any type of questions you have. Friendly attitude demonstrated by both HR and the hiring manager.