Safety signs in the laboratory and at work

The test helps students and workers learn safety signs and take care of themselves in laboratories and workplaces.

الوصف

Safety, Safety signs, Laboratory, Workplace, Danger signs

الوسوم

سؤالًا

30 ث

للسؤال

1:52

متوسط الزمن

4٫0

نتيجة المسابقة

مشاركين

بدء الاختبار

تعليق واحد

Smart Tiger حكم 5 يوليو 2020

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. 👍

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