Machine weights require little or no maintenance at all.
Neither is really "high maintenance" but if I had to choose one, I would say free weights because you have to take the weight off and on to adjust, as opposed to machine weights, all you need to do is adjust the pin to get a heavier weight.
It does not require regular maintenance but some occassional maintenance will help keep the steam cleaner working at it's best.
Yes you need your own weights for the videos for the arm lifting, or any one of the videos that require weights.
Trex,found at local lumber supply
Any type of composite decking, usually a mix of wood and recycled plastic. Virtually no maintenance at all and will last forever.
All organizations require some form of maintenance, however, not all organizations require a maintenance department. Maintenance does not necessarily have its own department, it can be a function of some larger department.
Sure, not all exercises require a bar. Using free weights with built-in handles give you a variety of options and exercises.
Any type of composite decking, usually a mix of wood and recycled plastic. Virtually no maintenance at all and will last forever.
It can and does in a reactor. Nothing special. However reactors usually require periodic refueling and maintenance, which may require short shutdowns or at least reduced operating power for these activities.
Some examples of peripheral devices that require regular maintenance are scanners, printers, speakers, and disk drives.
Yes, glass top dining tables do require a lot of maintenance. They need to be sprayed with Windex almost everyday.
Different applications and engines require different weights of oil to operate properly and prevent engine wear. Therefore different weights of oil are produced.