The new buildersThornton Junior High School stu* dents Marty Olson, 14, left, and David Helm, 13, learn about the world of construction by actuallybuilding a 6-by-4-hy«2-foot section of a house. Five-bov crews in the pilbt shop course in Fremont, taught by Don Henry, learn actual construction techniques including the erection of house frames, completion of walls and ceilings, and the addition nf heating ducts,plumbing and electrical fixtures. Henry said he iBn’t. as enthusiastic about the course, designed to acquaint students with the construction trade, as he was at the beginning of the school year High school student's may benefit more from the 00111*56, Henry said. The house sections will be dismantled and the materials salvaged at the end of the course.