Complete the sentence with an imperative or a present simple form. ........................................ (not touch) hazardous substances.
Don't touch
What is the imperative?
Don't run in the lab.
What is the imperative?
Don't eat or drink in the lab.
Use the imperative or the present simple tense to fill in the gap. "............... (use) a volumetric flask to measure precise volumes of liquid materials in lab experiments."
Use
Use the imperative or the present simple tense to fill in the gap. Chroline ................................ (cause) burns and eye damage.
causes
What is the imperative?
Don't wear flip flops. / Wear closed toe shoes.
Use the imperative or the present simple tense to fill in the gap. We ................................ (store) test tubes in the rack to avoid spillage.
store
Use the imperative or the present simple tense to fill in the gap. Lab technicians ............................ (wear) proper PPE when handling acids and chemicals.
wear
What is the imperative?
Wear lab coats, safety glasses and closed shoes in the lab.
Use the imperative or the present simple tense to fill in the gap. She always ............................ (wash) her hands before and after an experiment.
washes