/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ErnestoLazarus https://cdn.slidesharecdn.com/profile-photo-ErnestoLazarus-48x48.jpg?cb=1553008505 Currently hold valid American Concrete Institute certifications in the following: Concrete Field Technician Grade I (ID#01217163) Aggregate Testing Technician (ID #01217163) Strength Testing Technician (ID#00918965) Currently Laboratory Testing Technician Level I (ID#00918965) Verify at http://www.concrete.org/Certification/cert_search.asp Organized and hosted 84 participants for 123 ACI approved technician certifications. https://www.facebook.com/GrupoLazarus