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Dear Systems design enthusiasts:
We're proud to announce new information and products we've got available:
My baptism by fire into writing in Spanish: eighty pages, with 125 photos, graphics and tables on the ecological systems design for an indigenous village in Mexico. Water supply, sanitation, cultural preservation...it's all here. There's an introduction and summary in English available on theMaruata at the Crossroads (book)page.
This book is offered as a by donation download (you can check it out for free), or in hard copy with a beautiful color cover at regular or subsidized price. Let your Spanish speaking friends know.
This is a download list of common plumbing and masonry tools and components, in English, Spanish and pictures. It includes use tips (how to make good joints in PVC and galvanized, for example), and doubles as a shopping list for hardware store runs, which was the use for which it was originally developed.
It is in both PDF and editable MS-Word formats. A great use for a list like this (even if you don't need the Spanish) is having a consciously limited set of plumbing sizes and materials to deal with. For example, in Maruata, I'm steering us towards use of 1/2", 1" and 2" sizes, and carefully avoiding 3/4", 1-1/4" and 1-1/2" sizes. This greatly reduces the amount of inventory we need to keep on hand, and increases the likelihood that we'll have the right part amongst a smaller store of stuff. Author: Art Ludwig, published by Oasis Design. 2004. 8.5x11, 6 pages, 57 figures, black & white, 136K download. $4.95 -BETA VERSION
More info: Tools & Materials Shopping List for Plumbing and Masonry in English and Spanish
We've offered double ell flow splitters, the key component in branched drain greywater systems, for some time. However, our stock has been limited and we've kept this fact fairly well hidden. Now they are right out there in the catalog, and on their own page:
Do you think we should offer them for sale? They aren't always easy to find. If enough of youE mail us to ask for them, we will.
See way cool images zooming from millions of light years away down to a quarks in an oak leaf.
This site does a great job for showing scales from light years to microns—too
bad there's not something similar for understanding
water quality.
I'll be speaking at:
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• www.oasisdesign.net • Copyright Art Ludwig ©1997 -2008