hazard reducing device
121Human factors — For other uses, see The Human Factor (disambiguation). Research subject in a human fatigue study. Human factors science or human factors technologies is a multidisciplinary field incorporating contributions from psychology, engineering,… …
122Cannabis cultivation — Typical home grown organic sinsemilla bud compared to a cigarette pack. This article presents common techniques and facts regarding the cultivation of the flowering plant cannabis, primarily for the production and consumption of marijuana buds.… …
123Fragrance lamp — Refimprove|date=July 2007A fragrance lamp, also known as a perfume lamp, effusion lamp, catalytic lamp or simply by the name brand Lampe Berger, Bel Air, Scentier or many other brands is a catalytic diffusion lamp that purifies the air while… …
124Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear …
125Traffic collision — Car crash redirects here. For the Matt Nathanson song, see Some Mad Hope. Vehicle collision Classification and external resources A head on collision of two cars …
126Ergonomics — Ergonomics: the science of designing user interaction with equipment and workplaces to fit the user. Ergonomics is the study of designing equipment and devices that fit the human body, its movements, and its cognitive abilities. The International …
127Lawn mower — A typical modern gasoline powered push mower. A riding mower or ride on …
128Sodium sulfate — Other names …
