প্রাথমিক ১ - বিল্ডিং উপাদান এবং পরিষেবা

a passage that is inside a house or building with rooms on both side

one of the many floors that are in a building

a series of steps connecting two floors of a building, particularly built inside a building

an opening like a door, gate, or passage that we can use to enter a building, room, etc.

the part of a fence or wall outside a building that we can open and close to enter or leave a place

a special way used to exit a building, car, etc. when a problem happens

a structure like a wall, made of wire, wood, etc. that is placed around an area or a piece of land

an object or device that produces brightness, often an electronic item like a lamp

a service that is provided to the public, such as electricity, water, or gas, which is used in daily life

a source of power used for lighting, heating, and operating machines

a flammable gas used mainly as a fuel

the method or system used to warm a building and keep it comfortable inside, such as central heating, radiators, etc.

a system of transmitting television waves by using underground wires

a box outside the house were letters and packages are put