Every open-sided floor or platform that rises four feet or more above the adjacent floor must be protected on all open sides by a standard railing. If there is moving equipment below, the standard railing must include a .

toeboard

Explanation: The Occupational Safety and Health Administration defines the Walking-Working surfaces regulation for the secure construction of stairs in industrial environments. For platforms or walls that are 4 feet or higher above the ground and do not have surrounding walls, it is mandatory to build a standard railing around them. In cases where there is a moving machinery, people can pass or there is an equipment which would be harmful when falling objects come in contact with it, the railings must have a toeboard.

A toeboard is an equipment fixed vertically to prevent items from falling for the platform.

question 1:

senate and house of representatives

i would try to answer the second question but i’m not 100% positive but i hope i

the answer your looking for is c. : )