Mashiinka biriiga waa in la wado gaaska ay ka soo saarto rount gaas iyada oo loo marayo hawlgallada mashiinka ka dibna ay ku gaadho baakadda hawada iyada oo loo marayo weelka jeegga. Ka dib bamka ugu weyn, oo ah bamka darawalnimada, bistoolada matoorka weyn ayaa hoos u dhacaya, taas oo ah in fidinta birta ay sii ballaaranayaan, taas oo ah in durdurku kabuubiyo, taas oo horseedda nabadgelyada gaariga wadista.
Mabda 'shaqo oo ka mid ah gawaarida biriiga gawaarida ayaa ah:
1, mabda 'muhiim u ah biriiga ayaa ka soo jeeda jaranjarada, iyadoo gacan laga helayo biriiga suufka iyo jajabka disc (durdurrada) iyo kala-baxa, thrie thrie thrie thriet-ka, gaariga ayaa joogsan doona;
2, Nidaam bir ah oo wanaagsan oo leh saameynta saameynta wanaagsan waa inuu awood u yeeshaa inuu siiyo xasilloon, oo ku filan, awood u yeelata kuleylka, si uu usiiso kululaynta birta, oo uu ka hortago dab-demiska iyo jahwareerka ee kululaynta.
3, nidaamka biriiga gawaarida waxaa ka mid ah biriiga disk iyo biriiga, laakiin ka sokow faa'iidada khaaska ah, hufnaanta biriiga biriiga, sidaa darteed nidaamka biriiga ee laga wada hadlay warqaddan ayaa lagu salayn doonaa biriiga diskiga. Waxaa jira heshiis aad u weyn oo la dhihi doono tayada dayactirka gaarigaaga cusub
