চার কোণ 4 - ইউনিট 12 পাঠ A

to randomly discover someone or something, particularly in a way that is surprising or unexpected

খুঁজে পাওয়া

a way in which a problem can be solved or dealt with

সমাধান

relating to the natural world and effects of human actions on it

পরিবেশগত

a subject of significance or interest to someone or something

চিন্তা

to not let someone to do something

প্রতিরোধ করা

a change in water, air, etc. that makes it harmful or dangerous

দূষণ

toxic and harmful substances in the air that can cause illnesses

বায়ু দূষণ

to join together in pursuit of a shared goal or advantage

মিলিত করা

to regularly travel to one's place of work and home by different means

যাতায়াত করা

to keep a vehicle, building, road, etc. in good condition by doing regular repairs, renovations, or examinations

রক্ষণাবেক্ষণ করা

to not get involved with someone or something

এড়ানো

to keep something in a particular place for later use, typically in a systematic or organized manner

সংরক্ষণ করা

to not let something increase in amount or number

সীমাবদ্ধ করা

to get rid of something that is no longer needed

বাতিল করা

to keep something from change or harm

সংরক্ষিত করা

to get goods or services in exchange for money or other forms of payment

কেনা

to make a waste product usable again

পুনর্ব্যবহার করা

to be able to say who or what someone or something is

চিহ্নিত করা

to get rid of waste material, particularly in an unorganized manner

ফেলার

a piece of work for someone to do, especially as an assignment

শিল্প

able to exist, happen, or be done

সম্ভব

(of a system or machine) achieving maximum productivity without wasting much time, effort, or money

দক্ষ

the poisoning of bodies of water caused by harmful materials

জলদূষণ

a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)

স্প্রে ক্যান

concerning or used in the scientific field of chemistry

রাসায়নিক

any object that can be used to store something in, such as a bottle, box, etc.

কন্টেনার

causing damage or negative effects to someone or something

ক্ষতিকর

an object that turns chemical energy to electricity to give power to a device or machine

ব্যাটারি

in an appropriate manner according to established standards, rules, or expectations

সঠিকভাবে

the state of something at a particular time

অবস্থা

the total number or quantity of something

পরিমাণ

to have power over a person, company, country, etc. and to decide how things should be done

নিয়ন্ত্রণ করা

to get rid of what is not needed or wanted anymore

ফেলে দিতে

the process of putting a product in a container or covering in order to be sold

প্যাকেজিং

a plastic or metal container with a lid, used for putting garbage in and usually kept outside the house

ময়লা ফেলানোর ঝুড়ি

to discover the exact position or place of something or someone

অবস্থান নির্ধারণ করা

to move to a higher position or rank

পদোন্নতি দেয়া

including every part, member, etc.

সম্পূর্ণ

a person who regularly travels to city for work

যাতায়াতকারী

a pathway typically made of concrete or asphalt at the side of a street for people to walk on

প্যাভমেন্ট

a place where trains regularly stop for passengers to get on and off

ট্রেনের স্টেশন

a vehicle that has two wheels and moves when we push its pedals with our feet

সাইকেল

a city's railway system that is below the ground, usually in big cities

মেট্রো

a building, usually next or attached to a house, in which cars or other vehicles are kept

গ্যারেজ