American History
This president issued the Emancipation Proclamation during the Civil War.
Who was Abraham Lincoln?
OSHA requires this equipment anytime there is a risk of head injury from falling or flying objects.
What is a hard hat?
This iconic structure was the tallest building in the world when completed in 1931.
What is the Empire State Building?
This material is commonly installed above ceiling grids for firestopping and acoustic insulation. It comes in batts but won't burn like fiberglass.
What is mineral wool (Rockwool)?
This New York landmark was a gift from France and welcomed millions of immigrants arriving by sea.
What is the Statue of Liberty?
This document begins with the words "We the People."
What is the Constitution?
Before any excavation begins, this number should be contacted to locate underground utilities.
What is 811?
More concrete was used in the construction of this Nevada-Arizona dam than any project of its time.
What is Hoover Dam?
This crushed stone material is often used as a base beneath roads, pads, and concrete slabs.
What is road base?
This monument in South Dakota features the faces of four U.S. presidents carved into granite.
What is Mount Rushmore?
Paul Revere is famous for warning colonists that these troops were coming.
Who were the British? (Redcoats)
For most construction activities, OSHA requires fall protection at this height.
What is 6 feet?
During the Great Depression, this engineering marvel became the world's longest suspension bridge and was built across a strait known for strong currents, deep water, and heavy fog.
What is the Golden Gate Bridge?
This copper-clad conductor is driven into the earth to create a grounding electrode system.
What is a ground rod?
Completed in 1884, this Washington, D.C. landmark remains the tallest stone structure in the world.
What is the Washington Monument?
The United States purchased this territory from France in 1803, nearly doubling the nation's size.
What is the Louisiana Purchase?
This document explains the hazards, handling requirements, and emergency procedures for a chemical.
What is an SDS (Safety Data Sheet)?
The steel for this famous St. Louis landmark weighs approximately 43,000 tons.
What is the Gateway Arch?
This galvanized framing member is used everywhere from ceiling supports to MEP racks and is often referred to by a popular brand name.
What is Unistrut?
At 14,115 feet, this Alaskan peak is the highest mountain in North America.
What is Denali?
The interstate highway system was championed by this U.S. president.
Dwight Eisenhower
OSHA's Focus Four Hazards include falls, struck-by, caught-in/between, and this fourth hazard category.
What is electrocution?
Completed in 1869, this project united the country by connecting eastern and western rail lines.
What is the Transcontinental Railroad?
This pipe material is commonly fused together rather than glued and is frequently used for underground utilities and data center cooling systems.
What is HDPE?
This Tennessee-North Carolina national park is the most visited national park in the United States.
What is Great Smoky Mountains National Park?