1. Safety signs in the laboratory and at work
Safety signs in the laboratory and at work
English
ابتدایی
The test helps students and workers learn safety signs and take care of themselves in laboratories and workplaces.
توضیحات
Safety, Safety signs, Laboratory, Workplace, Danger signs
تگ‌ها
33
سوال‌
‏30 ثانیه
به ازای سوال
1:52
زمان متوسط
4.0
امتیازات مسابقه
7
شرکت‌کننده
آزمون را شروع کنید
1نظر
Smart Tiger داور
This test may have a higher chance of receiving a reward. Nominated for:

Provides a valuable service, teaches something useful that can be used in real life. 👍
جهت نوشتن نظر در آزمون شرکت کنید.