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How long do elevators last?
A well built elevator under proper maintenance can last almost indefinitely. Motors, cables, pulleys, guides, and stopping/starting mechanism can be replaced when worn out. Some manually operated elevators built in the early 1900s are still functioning.
How were microchips built to go into the machines that now build microchips?
The first integrated circuit masks were hand made, then optically reduced. The wafers were then processed much as they are today using these reduced masks. Hand made masks were used well into the 1970s. All the early microprocessors were done with hand made masks. You can even download from Intel's website now masks and schematics, all hand drawn, for their original 4004.
What is a voltage converter used for?
Converting voltages of course. Rather like a transformer, early rotary converters were always mechanical devices i.e. motor generators, though these days electronic solid state versions are available. Put DC in get AC (single or three phase) out. OR put AC in and get DC out. They were mainly used to power trams and subway trains back in the early days before they'd invented the technology to control the speed of AC motors. The power station produced very high three phase AC voltage (it travels better) and this was converted to much lower voltages to power the DC traction motors in strategically placed substations
What did early machines first run on?
What did early machines first run on
What 2 inventions helped early farmers early with flooding?
Plow and irrigation system
What is an early indicator of the formalization of cooking as a culinary art?
Select the correct answer.What is an early indicator of the formalization of cooking as a culinary art?ovensrecipesstovesfireplacespots
What was the public response to the conflict in Vietnam early on?
Most Americans never heard of the place "early on."
Military threats were drastically reduced in the early 1990s because the end of?
Military threats were drastically reduced because of the end of the Gulf War in the early 1990s. This left the United States, at that time, in no direct conflicts.
Which animal populations were greatly reduced in the early 1800s and early 1900s in Antarctica?
I think it was either seals or whales.
Military threats were drastically reduced in the early 1990s because of the end of .?
Military threats were drastically reduced in the early 1990s because of the end of the Cold War. :)
The early blues is commonly recognized for the use of which device?
Answer: Call and Response
What was the southern response to slave rebellion of the early 1800's?
hi
Can the death toll of tsunamis be reduced?
Yes, the death toll of tsunamis can be reduced through early warning systems, public education on evacuation procedures, land-use planning in vulnerable areas, and improved infrastructure to withstand tsunami impact. Preparedness and swift response are key in protecting lives during a tsunami event.
Early cars that start with r?
Rambler, Rebel (American motors) Ramcharger, Rampage (Dodge) Rabbit (Volkswagen)
What happens when you have a small opening in your cervix in early stages of pregnancy?
The cervical opening should be small in the early stages of pregnancy. A closed cervix is a good indicator of a healthy pregnancy.
When creatinine reaches 1.6 is it dangerous?
It is an indicator of early renal (kidney) impairment. A nephrologist should be consulted without delay.
What did early robots do?
1961 - The first industrial robot was online in a General Motors automobile factory in New Jersey. It was called UNIMATE.
