Oil-free compressors and vacuum pumps are necessary in beauty and medical market to avoid contamination with oil. The main applications are: vacuum skin treatment, ant decubitus mattress and press therapy. Nitto Kohki is well know on the market for the very low noise level and for the technology of linear piston. If higher performances are required G&M Tech has a wide range of compressors and vacuum pumps oil-free. An example of application is shock wave machine. Laser machines need a cooling system to cool down the laser head. You can find addition information in cooling application page