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...ch can be grown year on year indefinitely. These plant materials come from agricultural [[non food crops]]. Therefore, the use of biopolymers would create a [[sust ...attractive materials for food packaging. Starch is also useful for making agricultural mulch films because it degrades into harmless products when placed in conta

...hardwearing. Conversely they can be labour-intensive to construct without machinery (powered rammers), and if improperly protected or maintained they are susce ...n [[clay]], between 5% and 15% typically with the [[topsoil]] retained for agricultural use. Ideally, the soil removed in order to prepare the building foundation

...olan-lime cements.''' Mixtures of ground [[pozzolanic ash|pozzolan]] and [[Agricultural lime|lime]] are the cements used by the Romans, and can be found in Roman s ...e pollution in the form of dust, gases, noise and vibration when operating machinery and during blasting in [[quarry|quarries]], and damage to countryside from

...vailable for younger adolescents who are also known to work, especially in agricultural settings. The highest number of teen worker fatalities occur in agricultural work and the retail trades, according to recent data.<ref>{{cite web|url= h

In the United States, [[agricultural]] and [[construction]] operations are exempted from regulations governing p • plastics, chemicals and agricultural products, such as sand, fertiliser, grain, and coal, coal products and wood

* atomically engineered food and crops resulting in greater agricultural productivity with fewer labour requirements ...ate = December 2006| title =From Bio to Nano: Learning Lessons from the UK Agricultural Biotechnology Controversy| volume =15| issue= 4| series =Science as Culture

...fires can be traced to both lightning strikes and human activities such as machinery sparks and cast-away cigarette butts."<ref name=Krock /> The human use of fire for agricultural and hunting purposes during the [[Paleolithic]] and [[Mesolithic]] ages alt

...]] and [[potash]]. Any material that cannot be grown through [[agriculture|agricultural]] processes, or created [[Chemical synthesis|artificially]] in a [[laborato ...g]], as well as washing [[comminuted]] or crushed ores, and driving simple machinery.

..., it was listed as 102nd in the [[Fortune 500]] ranking. Deere and Company agricultural products, usually sold under the John Deere name, include [[John Deere Trac ...alog/FR/category/FR_TRACTORS.html Waterloo Works] (foundry, engines, large agricultural tractors, drive trains, service parts, product engineering center) [[Waterl

[[Category:Agricultural machinery manufacturers]]

...illage]] of Bath. In the early 1920s, the area was primarily [[agriculture|agricultural]]. In 1922, Bath voters voted to form a district for the purpose of funding ...r with metal debris. He threw in old tools, nails, pieces of rusted [[farm machinery]], digging [[shovel]]s, and anything else capable of producing [[Fragmentat