To protect your eyes from any harmful gases, fumes, ect. and to minimize the chance of something hitting them (metal, tools .). I have seen two university students (I was one) get acid in their eyes from pouring water into acid instead of acid to water
un cours de sciences
it means: "when he/she finishes the science class."
When burning magnesium, make sure to wear safety goggles and gloves to protect your eyes and skin from sparks and potential burns. Work in a well-ventilated area to prevent inhalation of magnesium oxide fumes. Keep a Class D fire extinguisher nearby in case of any accidental fires.
science class
science electronic working model
to protect your eyes
The noun in the sentence is "class," as it refers to a group of pupils.
8 pupils
class
53
A severe pain in the neck
my class have a maximum of pupils
yes there should otherwise you could make things explode
There are 26-27 pupils in 1 GEP class in Nanyang Primary School.
There is actually one, it took a bit of finding, 'a dilation of pupils'.If you are referring to students, the collective noun for students will also work: a class of pupils.
i ain't sure i had the exact same quastion for my science booklet -1.1 safety in science class, but i think that the whmis symbols define how is matirail dangerous and the safety symblos define how much is dangerous
Because she had bright pupils !