(Simplified practice recommendation no. 32.) [Title on cover is: Elimination of waste, simplified practice, concrete building units (block, tile, and brick).]
Notes:
(Simplified practice recommendation no. 32.) [Title on cover is: Elimination of waste, simplified practice, concrete building units (block, tile, and brick).] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.