Master Catalog of Skilled-Trade
Core Topics Core topics are those common to most skilled trades. In fact,
are essential prerequisites.
Automotive lessons include basic theory of operation,
troubleshooting, and maintenance procedures for the
mechanical and electrical systems common to today's
autos and trucks.
is an extensive series of lessons and technical manuals that
cover the major topics of modern aircraft powerplants and
Building and Carpentry
These texts are all about strengthening your knowledge
of lumber, interior carpentry, concrete, and masonry.
These lessons cover a wide range of skills,
from electrical distribution systems to domestic fuse box wiring.
Hydraulics This series of courses balances the theory and
practice of modern hydraulics.
The Plumbing series of online lessons covers water
distribution systems as well as inside plumbing and
Welding This extensive series of free online manuals is
intended for apprentice tradesmen (and women).
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