Q:What is the difference between the application and maintenance of construction machinery and the operation and maintenance of automobiles? What a promising future!

There are many kinds of equipment for construction machinery, which are basically related to complicated hydraulic components. More and more advanced equipment, the use of electrical computer technology even more complex than the car. The EFI, HEV and other technical engineering machines used in automobiles are also developing vigorously

Q:Should we destroy and ban as much technology as we can. Anything that didn't exist before 1800? As anyone literate in weaponry would know that bows and arrows accompanied by a personal choice of knife, sword or hatchet are far more effective than the muskets and blunder busters in real warfare.

obongo says things like this from time to time, demonstrating to us what a moron he is. Same goes for you.

Q:A) it was assembled from two anaerobic systems that had originated in different types of bacteriaB) it obtains electrons by splitting waterC) it involved a modified version of electron transportD) it evolved relatively late in the evolution of prokaryotes, sometime after eukaryotes had arisenE) it caused Earth's atmosphere to become an oxidizing one

D) seems wrong to me

Q:For example:- Have you repaired the machinery?- Yes, I have repaired (it / them).

It depends on how you are using machinery. If you are referring to the works inside a single unit: I repaired it. If you are referring to an entire floor of machines that needed attention: I repaired them.

Q:all sort of machinery related to used oil refinement in India

You simply need a set of good filters and a purifier for purification of oil.

Q:I just would like to see the most imaginative painting of the future. Please don't give me answers like they will conquer the whole of Thailand,etc. I would like to see unpredictable answers. Thanks.

In my humble opinion, this is not worthwhile contemplating.

Q:Are there any risks in taking LSD while operating heavy machinery?

There's a few

Q:Noah could build a ark in 100 years?Tell me could you build a pyramid today with the same tools the Egyptians had back then?It still baffles the mind.

It still baffles the mind. Maybe dimwitted minds, but that is about all. They are pyramids for crying out loud - the most simplistic of structures. Structurally, they are no different that piling up a bunch of dirt. They are slaves to gravity. There are no archways or other complex architectural features that that appear to baffle the mind. And, it took the imaginary Noah 125 years to build his imaginary ark with only one door to load everything - in only 7 days ( Gen. 7:4-10). We know how it was done - the same way Santa gets down every chimney in the world in one night.

Q:I can't even understand what the hell this question is saying...

Your question specifically asks about BALL bearings. (There are many other types of bearing). Most machines have moving parts. Moving parts cause friction. Friction causes heat and wear. Your question is saying. How can bearings minimise these problems ?...Here's a full explanation. A ball bearing has an inner and an outer raceway. (Like a track in which the balls will run). Bearings support the weight of the machine shaft that runs through the inner raceway. The shaft bearings are situated in lubrication (oil) baths within the machine casing. The lower half of the casing is now taking the full weight of the shaft and bearings. The AREA (due to their being spheres) of each of the balls in contact with the raceways is very, very small. Therefore the ability of the shaft to rotate with little friction, is far, far easier than a shaft rotating in full contact with another surface. There is still some friction and heat tends to build up..This is where the lubrication comes in.. The oil helps to reduce friction and carry away heat. It also seals against oxidation (rusting) of the metal and keeps it clean. (In weight I'm talking about Kilograms or tons or pounds as is normal in industry not Newtons as in scientific uses).

Q:how to make paper pellets? i need a small, cheap, transportable machinery.?

Try pulping and squizing it through a industial meat grinder then drying it in a barrel or old dryer