Labels and placards are know to be two different types of safety marks. Labels are defined as symbols affixed to the package being shipped. Placards are defined as larger symbols that are applied to the sides and end of a vehicle.
Labels are known to be put on small means of containment while placards are said to be put on vehicles or large means of containment.
The type of dangerous goods safety marks often tagged will depend largely on the size of the container and on the classification of the dangerous goods.
The Department of Transportation (DOT) stated that Hazardous Materials (HazMat) as any kind of substance in any form or quantity that acts as an unreasonable risk to safety and health and property when moved.
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Answer:
(A). Cross-sectional
Explanation:
A cross-sectional research design is used to collect information on a single variable at a particular time, from different population groups with similar characteristics.
In this case, the research variable being studied is depression, while the individuals are grouped according to ages.
