00447    a2200157   450000500170000002000220001708200210003911000200006024500540008026400420013430000230017650400500019952600120024965000160026165000120027720260608174937.0  a978-1-98463-792-5  a693.2 T5311 2020  a3G E-Learning.   a3G Handy Guide : Bricklayer /c3G E-learning LLC  1aNew York :b3G E-learning LLC, c2020  a249 pages ;c23 cm  aIncludes bibliographical references and index  a600-699  aBricklaying  aMasonry