Chntry crane imagwiritsidwa ntchito poyendetsa zinthu zolemera, zomwe zimakhudzidwa ndi makina kapena mphamvu yamanja ikadzaza. Mutha kusunthira nkhanu pa ntchentche kuti ikuyenda ndikunyamula zolemera. Cranes yonyamula imatha kugwiritsidwa ntchito pokonza zomera komanso magalimoto ogwiritsira ntchito zomwe zimafunikira kuti zisasinthe ndikulowetsedwanso zida ndi zida. Crain kapena mafoni am'manja nthawi zina amatchedwa-chimango, kapena kusunthira, kapena nsanja kwa matayala chifukwa cha miyendo yamiyala. Imapezeka mu mwendo umodzi ndi mapangidwe am'mimba ambiri, senterry pf-prerry crane imatha kukhala ndi mphamvu yothetsera vutoli. Onani zinthu za gulu lirilonse kuti muwone zopereka zathu, ndipo gwiritsani ntchito chida chathu chosankha cha njira yanu ya Gantry potengera mtundu wa dongosolo, mawonekedwe oyenda, kutalika, komanso kuthekera kwake.
Mitundu ya Bridger ya GREARD imatha kukweza zinthu zabwino poyerekeza ndi zina mwazomwezo, koma nthawi zambiri zimakhala ndi matani 15 matani. Katundu wolemera amasunthidwa mosavuta ndi dongosolo lankhondo lapaderali, lomwe limatsimikizira kuti kulemera kumagawidwa kuwoloka shopu ya cranes ndi ma track. Mitundu yosiyanasiyana yamitundu yosiyanasiyana inaphatikizapo crane ya ganti, jib crane, craner crane, crane, crane, crane, kuthamanga kwambiri, komanso kuthamanga. Crain kapena mafoni am'manja nthawi zina amatchedwa-chimango, kapena matanthwe, kapena nsanja yamiyendo yamiyendo yamiyendo. Onani zinthu za gulu lirilonse kuti muwone zopereka zathu, ndipo gwiritsani ntchito chida chathu chosankha cha njira yanu ya Gantry potengera mtundu wa dongosolo, mawonekedwe oyenda, kutalika, komanso kuthekera kwake.
Kusankha kwa PWI Chro shopu ikuthamanga kukhazikitsa, sizifunikira msonkhano wambiri, ndipo amapangidwa kuti azidzisamalira mosavuta - palibe zida zapadera zofunika, komanso sizimafunikira madera ena. Kuchulukitsa malo ogulitsira minda yamitundu ikulupa kwambiri, kutanthauza kuti mutha kukwaniritsa zovuta izi m'magulu anu omwe alipo. Makina owoneka bwino pogwiritsa ntchito masitepe anayi omwe angakuthandizireni kuti mukonzekere kukweza kapena kusuntha zinthu zolemetsa. Kutseka masitepe (odziyimira pawokha ku Swing / Groll - Crainry Cannes ikhoza kuyambitsa ndikugunda mukadzaza katundu). Kusankha kunyamula ndikosavuta konse; ingosunthani crane yonse ku malo osankha.