electric shock hazard
41Steel-toe boot — A pair of well worn steel toe shoes. A pair of ISO 20345:2 …
42Amazon Rainforest — Geobox|Forest name = Amazon Rainforest native name = other name = category = image caption = Amazon rainforest, Salinopolis, Para, Brazil. image size = official name = etymology = motto = nickname = symbol = country = Brazil country1 = Peru… …
43Antistatic wrist strap — An antistatic wrist strap, ESD wrist strap, or ground bracelet is an antistatic device used to safely ground a person working on very sensitive electronic equipment, to prevent the buildup of static electricity on their body, which can result in… …
44Amazon rainforest — Amazonia redirects here. For other uses, see Amazonia (disambiguation). Amazon Rainforest Forest …
45International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
46Decompression sickness — Caisson disease [decompression sickness] Classification and external resources Two United States Navy sailors prepare for training inside a decompression chamber …
47Tap water — Indoor Tap commonly found in the bathroom or kitchen. This tap is a single handle, double spout tap (one spout for hot water, one spout for cold water). Tap water (running water, city water, municipal water, etc.) is a principal component of… …
48Double switching — A single switched relay can close inadvertently in response to a single false feed current. A double switched relay cannot close inadvertently with the application of the same current. At least two separate faults would be required to allow this… …
49Patient safety organization — A patient safety organization (PSO) is a group, institution or association that improves medical care by reducing medical errors. In the 1990s, reports in several countries revealed a staggering number of patient injuries and deaths each year due …
50Courant vagabond — Un courant vagabond (ou courant parasite) est un courant électrique de faible valeur qui circule de façon non maitrisée dans les milieux et matériaux conducteurs (terre, tuyaux en métal, acier du béton armé des bâtiments, etc.) autres que les… …
