स्टोरीबोर्ड पाठ
- they are not wearing aprons or goggle.
- they are eating and they can't do that.
- do not smell any chemicals in the lab.
- keep area tidy and clean.
- dispose of chemical waste properly.
- do not leave station permission.
30 मिलियन से अधिक स्टोरीबोर्ड बनाए गए