In HVAC terminology, TAB stands for Testing, Adjusting, and Balancing. It is a systematic process to verify that heating, ventilation, and air conditioning systems deliver design airflow, water flow, and thermal conditions, ensuring efficiency, comfort, and indoor air quality.
On Snapchat, ‘DND’ stands for ‘Do Not Disturb,’ a status or mode that suppresses notifications from the app. Users may set this to avoid interruptions, often indicated by a moon icon. The term is also used in text messaging as a shorthand for ‘Do Not Disturb.’
Flagging a message is a user‑initiated action that signals potentially inappropriate or rule‑breaking content to a platform’s moderation system. It helps maintain community standards by prompting review and possible removal of the flagged material.
The phrase “sprayed weed” is slang used to describe cannabis that has been treated with a spray, often referring to pesticide residue or synthetic additives. It appears in street language, law‑enforcement reports, and discussions about cannabis safety.
Social battery is a metaphorical term used to describe a person’s finite capacity for social interaction, which can be depleted by prolonged or intense socializing and recharged through solitude or rest. It is often employed in introvert and mental health communities to explain social fatigue.
RBH is an acronym commonly used in digital communication, particularly in texting and social media. It typically stands for “Real Big Hug” or “Right Back Home,” but its meaning can vary depending on context.
In construction, ‘dry in’ refers to the stage when a building structure has been sufficiently framed and sheathed to protect it from weather elements, allowing interior finishing work to commence.
When a servo amplifier’s status LEDs are dark, it usually signals a power, wiring, or fault condition. Understanding the possible causes helps diagnose and restore proper operation of motion‑control systems.
Auxiliary heat (often labeled ‘Aux Heat’ on thermostats) is a secondary heating source triggered when a heat pump cannot meet the heating demand alone, typically during very cold weather or when the system is in defrost mode. It usually refers to electric resistance heating or a backup furnace.
An open non-monetary issue is a publicly listed problem, request, or discussion point that does not involve financial transactions. It is commonly used in software development, public policy, and organizational contexts to track tasks, bugs, or ideas that require attention but are not related to money.