pumping water
The exact first technical object is difficult to determine as it depends on the definition of "technical object." However, one of the earliest known examples is the Antikythera mechanism, an ancient Greek analog computer used to predict astronomical positions and eclipses. It was likely made in the 2nd century BCE and is considered one of the earliest known complex scientific devices.
smoke
the names of references
yes
Some of the problems that the software engineers will face are developing systems that can be easily adapted to new business needs, systems for multicultural usage, systems that are attack resistant, end-users should be able to adapt to them quickly, and finding ways to validate, test, and maintain end-user development.
the most popular color of windmills would most likely be white.
because it is on the perfect angle to be hit by the wind and to spin quicker, also, windmills are already put into positions where there are more likely to have wind passing by.
plains farmers
plains farmers~apex
Plains farmers were the group likely to have received land provided under the Homestead Act.
plains and dry areas
The Great Plains.
The Great Plains.
How it was invented is unknown because there are no written records of the process. Windmills in one form or another have been around since the fourth century A.D., and written records of their existence and design date back only to around the ninth century. Most likely some guy just got to thinking about the power of the wind and what he might do to harness that power to do useful work.
the great plains
Plains farmers
Leather Bag.