What are the differences between the two mine winches shown
One could purchase Warn winches from Canadian Tire, the physical stores and online. The Warn Winches are weather resistant and reliable electric/hydraulic winches used in industries.
There are many places that provide satisfactory electric winches. One of the most reliable places with the widest spread array of electric winches is Amazon.
What do you think a countweight does for a mine winding system.
The hydraulic winches are usually powered by a motor. They can also operate under water.
If you are looking for old winches, there are a lot of 4WD vehicles in the junk yard, you can probably find some winches attached to those vehicles, check in your local area.
ATV winches can be found on a variety of different sites online, such as amazon or ebay. You can also most likely pick them up from your local Sears.
In the fourth mission of the first chapter of Killzone Liberation, you can destroy the winches by using explosives. Locate the winches and position yourself at a safe distance, then throw grenades or use C4 to blow them up. Ensure you clear the area of enemies first to avoid interruptions while you set your explosives. Once the winches are destroyed, you can proceed with the mission objectives.
Electric winches can be expensive and cheap. Depending on the size, model, and where you get it from. I suggest browsing your local DYI stores and try to find the best price.
With steam. It powered winches and cables.
The plural form for the noun winch is winches.
Metal wires / winches