It is to be note that these pipings are only included as an example and should be considered as optional features of {TAIL ~ the invention} due to the variety of applications which may be given to the equipment, such as: vacuum pump, gas compressor, fluid pump, or internal combustion engines and, therefore, requirements are different for {HEAD ~ each case} 
It is to be note that these pipings are only included as an example and should be considered as optional features of { TAIL ~ the invention } due to the variety of applications which may be given to the equipment , such as : vacuum pump , gas compressor , fluid pump , or internal combustion engines and , therefore , requirements are different for { HEAD ~ each case }
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