Answered by AI, Verified by Human Experts
Construction sites are dangerous as there are numeroushazardsthere, that's why the construction site safetysignsare put in place in order to minimize the risk ofinjuriesand accidents.Based on the information given, the correct option isD since all the options given are correct.Some of the shapes or signs that are used inconstruction sitesin order to preventaccidentsinclude:• the presence of aflagger.• orange and diamond shaped work signs.• a sign with anarrow flashing panel.It should be noted that the reason whyorangecolor is used is to ensurevisibility, that's why a bright color is used in order to preventaccidents.Some of the signs can be shown in a picture or through written words that shows that there's road work ahead....