A short circuit allows the dive computer's screen to freeze or display inaccurate information, posing a risk of serious injury to a diver underwater, including decompression sickness.
The vacuum's electric cord plug prong can detach and remain in the electrical outlet when the vacuum is unplugged. The detached prong can pose an electrical shock hazard if it remains connected with the electrical outlet.
The pink metal note bar on the glockenspiel may contain excessive levels of lead in the paint, violating the federal lead paint standard. If the paint is scraped off and ingested lead can cause adverse health effects.