Ol konstraksen kar em ol spesel kar we ol i save yusim planti long konstraksen, rot konstraksen, maining, na ol narapela wok enjiniaring. Ol i save kam long planti kain kain, na olgeta wan wan i gat wok na samting bilong en. Daunbilo i gat wanpela gutpela introdaksen long sampela kain konstraksen kar.
1. Masin bilong digim graun
Ol masin bilong digim graun em ol samting we planti manmeri i save yusim long wokim haus, na ol i save yusim long digim graun olsem graun, ston kol, na ston. Ol masin bilong digim graun i stap long kain kain rot bilong raun bilong ol olsem ol 'crawler excavators' na ol 'wheeled excavators'. Ol masin bilong digim graun i gat wanpela pawa yunit, wok masin, masin bilong tanim tanim, masin bilong bosim, masin bilong transmisin, na masin bilong raun. Ol i ken gat kain kain wok divais bilong inapim ol kain kain wok nid. Ol masin bilong digim graun i save mekim bikpela wok tru long kain kain wok, olsem konstraksen, wokim rot, na maining.
2. Loda
Ol 'loader' em ol masin bilong muvim graun we planti man i save yusim long ol konstraksen projek olsem ol haiwe, tren, ol bilding, ol haidropawa stesin, ol pot, na ol main. Ol i save yusim pastaim long putim ol bikpela samting olsem graun, wesan, liklik ston, laim, na ston kol, na tu ol i ken mekim ol liklik wok bilong digim graun long ol ston na strongpela graun. Ol i save yusim ol 'loader' long kain kain konstraksen projek bikos ol i save spit tru, gutpela wok tru, isi long ron long en, na isi long yusim.
3. Rot Rola
Wanpela rot rola em i wanpela kain masin bilong wokim haus we ol i save yusim long pasim graun na ol rot antap. Wok bilong en em long yusim graviti na guria bilong masin yet long mekim masin i kamap strong. Ol rot rola i stap aninit long kategori bilong ol rot ikwipmen insait long kategori bilong konstraksen masin na ol i save yusim planti long ol bikpela projek olsem ol haiwe, ol tren, ol ranwe bilong ples balus, ol dam, na ol stediam. Ol i ken pasim ol graun we i gat wesan, semi-kohesiv, na kohesif, ol 'roadbed stabilizer', na ol 'asphalt concrete pevement layers'. Ol 'road roller' i gat tupela kain: 'static' na 'vibrating'. Ol i gat bikpela presa, bikpela wok, na isi wok.
4. Motor Greda
Wanpela 'motor grader' em i wanpela masin bilong muvim graun we i yusim wanpela 'scraper' long stretim graun. Em i ken yusim long tupela wok bilong sepim na levelim. Wanpela 'motor grader' i gat ensin, 'transmission system', 'travel mechanism', 'working mechanism', na 'electrical system'. Long taim bilong wok, 'scraper' bilong wanpela 'motor grader' i save katim, karim, na pulapim graun i go long ples we em i laikim long rot bilong tanim, muvim, na pulim 'blade' i go bek, na dispela i mekim ples i kamap wankain. Ol 'motor greder' i save mekim bikpela wok long ol bikpela enjiniaring projek olsem ol rot, ol dam, na ol ples balus.