

Это вещество опасно для здоровья.
This substance is dangerous to your health.
На заводе работают с химическими веществами.
At the plant they work with chemical substances.
Какие вещества входят в состав краски?
What substances are in the paint?
"вещество" is in the lesson "Manufacture" (Level 37), along with 14 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.