dried sludge
21Taboo food and drink — This article is about practices and beliefs in relation to various animals as food. For more discussion on religious views, see Unclean animals. Swine are considered treif (unfit or unclean) in Judaism and haraam (forbidden) in Islam. Taboo food… …
22Ecological sanitation — Ecological sanitation, also known as ecosan or eco san, are terms coined to describe a form of sanitation that usually involves urine diversion and the recycling of water and nutrients contained within human wastes back into the local environment …
23Fernald Feed Materials Production Center — The Fernald Feed Materials Production Center (commonly referred to simply as Fernald) was a uranium processing facility located near the rural town of Fernald, in Hamilton County, Ohio, about 20 miles northwest of Cincinnati, which fabricated… …
24Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
25Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
26Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 …
27Cordwood construction — For the method of electronic component assembly, see Printed circuit board# Cordwood construction. A section of a cordwood home. Cordwood construction (also called cordwood masonry, stackwall construction or stackwood construction ) is a term… …
28Derbyshire lead mining history — Goodluck Mine in Via Gellia. This article details some of the history of lead mining in Derbyshire, England. Contents 1 …
29Barbaric Machine Clan Gaiark — The nihongo|Barbaric Machine Clan Gaiark|蛮機族ガイアーク|Bankizoku Gaiāku are the fictional antagonists from Engine Sentai Go onger . They are machine men from the Machine World who are last of their kind and desire to pollute the Earth. Gaiark bases… …
30Technology in The Hitchhiker's Guide to the Galaxy — The fictional universe of The Hitchhiker s Guide to the Galaxy series by Douglas Adams is a galaxy spanning society of interacting extraterrestrial cultures, so the technological level in the series is highly advanced, though often unreliable.… …
