You can get a machine that produces laser stars from a number of sources. You can firstly try your local electrical store. Failing that, you will be best to try sites such as Amazon or eBay.
Amazon sell labels for most makes of laser printers. One can also purchase them from ebay or Office Depot or go to the website of the company who makes one's printer.
There are several companies online that will sell you a laser cutting machine. One such company is Epilog Laser Engrave that has a variety of machines at decent prices. There are some B2B platforms that sell the laser cutting machines,such as : alibaba en.ofweek.com
That depends on the complexity of the laser. If you purchased a simple engraver it could be but if you wanted a more detailed laser/fiber cutter for example specific training would be required.
amazon.com has a wide variety of laser pointers.
what you call a machine that makes clothes is a sewing machine.
A YAG laser surgery is a surgery for cataracts. Cataracts are what makes a persons vision blurry or cloudy. The laser surgery makes it so that person can see better after they have the surgery.
a button machine is a machine that makes buttons.
Logitech makes one:
^The object I know of is a ruby.
HP does not make a product that is listed as a micro laser printer. On the other hand HP makes many laser printers which can be found on their websites. HP also makes a brand of printers that are MICR laser printers which are also available on their website.
What makes a x-ray machine work?
Epilog Laser makes affordable laser cutters. You can visit their website at www.epiloglaser.com. You can also check out Litron.