A lever is a mechanical device.
kookoo
· microwave
mechanical engineer; mining engineer
Some are, some aren't, like most mechanical devices.
Mechanical Engineering has a good scope than ece....ece is all about electric devices and communication devices.......even mechanical engineer can do some of that job....mechanical can go in any field even in IT field if you are good at CAD....so i vote for mechanical......
"They" would need to be defined in order effectively answer this question. In many cases mechanical devices that run on a chemical fuel require some form of priming in order to begin combustion.
Some 8 letter words that begin with the letter a:aardvarkabnormalabrasionabsenteeabstractacademicaccuracyactivateactivityadditionadditiveadequacyadherentadhesiveadmonishadvisoryaerationagnosticaircraftallergicalmightyalthoughaluminumambitionamortizeamputateanalogueanalyticannounceannuallyappendixappraiseapprovalaquariumarguablyarmchairasbestosastonishathleticaudienceaviatrix
milking machine mower massager massaging chair microwave minting machine motor motorcycle mechanical bull
Some clothes that begin with the letter J are:jacketjeansjumper
Some street names that begin with the letter J:JackrabbitJacksonJacquelynJadeJamaicaJamesJamestownJanuaryJasmineJasperJavaJayJeffersonJenniferJeffreyJenkinsJerichoJeromeJerseyJessieJewelJewettJoanneJohnJohnsonJollyJonesJordanJosephJosephineJoyJoyceJuarezJubileeJudgeJudithJuliaJunctionJuniperJupiter
Some adjectives that begin with letter G are:gabbygarrulousgauchegauntgaygenerousgentlegiantgiftedgildedgingerglamorousgloomygoldgooeygoofygorgeousgranitegratefulgreedygreengreygrimgrowngrumpyguiltygulliblegustygutsygypsum
Ventilatory assistance devices are mechanical devices that help a person breathe by replacing some or all of the muscular effort required to inflate the lungs