European Union is currently the second steel producer in the world after China (averaging 170 million tonnes of crude steel per year). The main issues regarding steel production are the emission created from using Carbon (Coke) as the main reductant for iron purification.

In 2016, Sweden develop HYBRIT technology which can use Hydrogen as the main reductant agent for iron purification (hence making it environmentally friendly). However, the main challenges for HYBRIT to be implemented are the expensive price of hydrogen production and the said process decreases the steel's overall toughness due to dissolved nitrogen content.European Union is currently the second steel producer in the world after China (averaging 170 million tonnes of crude steel per year). The main issues regarding steel production are the emission created from using Carbon (Coke) as the main reductant for iron purification.

In 2016, Sweden develop HYBRIT technology which can use Hydrogen as the main reductant agent for iron purification (hence making it environmentally friendly). However, the main challenges for HYBRIT to be implemented are the expensive price of hydrogen production and the said process decreases the steel's overall toughness due to dissolved nitrogen content.

Limbah B3 is a categorization for production wastes that are considered as dangerous and toxic. If wastes are labeled as B3, companies are obliged to follow ministry directives regarding waste management such as specific methods of dumping (complex and expensive), prohibition of extracting possible valuable products from the waste, etc. If a company is unable to manage or process the waste based on ministry directives, they are obliged to provide an isolated place to store their wastes

Slow living movement surges as an anti-thesis to hustle culture, which promotes taking a slower, more meaningful approach to life every day. Slow-living encourage individuals finding joy in life’s simple pleasures, rejecting the need or push for having achievements such as career, wealth, and status.

Internet activism refers to the use of electronic-communication technologies such as social media, e-mail, and podcasts for various forms of activism

Microtransactions are a business model where users can purchase virtual goods with micropayments that are often used in free-to-play games to provide a revenue source for the developers. Some of these in-game items might give an advantage to players that purchase said products.

Some examples of microtransactions in video games are buying weapon skin, banners, or bocil top-up diamond FF for buying new characters.

Video game modification (Game Mod) is the process of altering video game content including how it looks, how it behaves, creating additional stories, etc. The modification may range from small changes (such as balancing the character and adding extra content) to a complete overhaul of the said video game (such as making a completely new map and story of the game).

The said tools for modification and the game mod themselves are usually created by the video games community and accessible for everyone to use. Currently, game mods are not allowed to be commercialized.

Party-based game is video game with random and unexpected outcome as parts of the game's mechanics while player skills are less contributive towards such gameplay that somewhat repetitive. Examples of party-based games are Mario Kart, UNO, and Monopoly Go.

Competitive-based game is video game where a high degree of player skills are required to be good at the game and the said skills will highly affect the outcome due its complexity. Examples of competitive-based games are Counter Strike, Valorant, DOTA, and Mobile Legends.