TYBA ONLINE :: Subject: Jumbo drill boring rock for placement of dynamite - Negreiros Tunnel - north axis - part of the Project of Integration of Sao Francisco River with the watersheds of Northeast setentrional / Place: Penaforte city - Ceara state (CE)

[+] tunnel, [+] Negreiros Tunnel, [+] north axis, [+] work, [+] construction site, [+] construction, [+] infrastructure, [+] aqueduct, [+] irrigation canal, [+] channel, [+] machinery, [+] machine, [+] equipment, [+] tractor, [+] rock drill, [+] drilling, [+] Northeast Region, [+] Ceara, [+] transposition, [+] Sao Francisco River, [+] public work, [+] great works, [+] civil construction, [+] PAC, [+] Growth Acceleration Program, [+] sanitation, [+] public service, [+] supply, [+] catchment, [+] water harvesting