A New York City construction foreman has been found guilty of criminally negligent homicide and reckless endangerment in the death of a worker last year.

Salvatore Schirripa, a Bensonhurst, N.Y., construction company owner, has been indicted on manslaughter and other charges following the April 2015 death of Vidal Sanchez-Ramon, his employee at a Coney Island work site. If convicted, he faces up to 15 years in prison.

A New York City general contractor was found guilty Friday of manslaughter in the trench-collapse death of a worker last year.

In the construction industry, precision matters – corners need to be square, lines have to be level and plans must be followed. Following the rules keeps buildings and people safe. But when construction companies cut corners, workers often pay the price.

In 2014, 4,821 people were killed on the job, up 5 percent from the 4,585 reported in 2013 and the highest number since 2008, when 5,214 were killed, according to the U.S. Bureau of Labor Statistics.

As the construction industry changes and develops new safety protocols, it’s tough to keep up with what injury statistics continue to hold true. Below are 13 surprising construction injury:

A 42-year-old laborer leak testing joints inside a 54-inch round pipe suffered fatal blunt force injuries in October 2015, when an inflatable “bladder” ruptured at a Springfield waste-water treatment plant. OSHA inspectors found that his employer, Henderson Construction of Central Illinois Inc., failed to train him properly on the testing procedure.

Falling 25 feet to the ground from a roof, being struck in the head by a steel beam as it is transported across a worksite, or getting hit by a vehicle moving supplies–these are only a few examples of why the construction industry has the greatest number of both fatal and nonfatal traumatic brain injuries (TBIs) among U.S. workplaces.

When followed, safety standards save lives and painful injuries. In the construction industry, ignoring them can lead to disaster, as it did for 54-year-old Gary Berthelot as he helped rebuild a Mississippi restaurant damaged by Hurricane Isaac.

OSHA, the National Institute for Occupational Safety and Health (NIOSH) and the Center for Construction Research and Training (CPWR) are getting ready for the third annual National Safety Stand-Down, which will be held May 2-6, 2016.