Engineering controls are possible interventions intended to reduce worker exposure to biological,chemical and physical agents. They are divided into two categories, ventilation and non-ventilation controls. Ventilation controls are designed to control contaminants once released,like introducing clean air to a workplace, replacing contaminated air. Non-ventilation controls reduce process emission rate, like use of well fitting lids to liquid containers.
Don’t mind them. Delete there answers too
Answer:
A
Explanation:
setting limits for him or herself
Answer:
The timing of the event in relation to administration of the investigational agent
Three ways that teenagers can show affection non sexually are:
Write a text or call
Tell him/her
Make your friend tell him/her
