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TIG welding: Basic
This video explains the basics of TIG welding. The teacher talks about the application area, the current types and the requirements.
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Application of an electromagnet: The electric bell
This video explains how an electric bell works.
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Visual welding examination: Learning module
This learning path is about a visual weld inspection. The student can independently go through this learning tool and then work in practice to carry out visual weld inspection for fillet welds.
This learning module covers the following topics:
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Factoring polynomials and special squares: Exercises
Quizlet exercises on the factorization of polynomials and special squares.
Practice the factorization of the following forms of polynomials:
- (a + b)²
- (a - b)²
- a² - b²
- by using the product-sum method of the form : x² +ax +b.
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Math Symbols: Flashcard
Flashcards about the mathematical symbols:
- less than, greater than ...;
- notation of number sets;
- notation of subsets.
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Electricity: safety, cabling, alternating and direct voltage
Step-by-step explanation of electricity with attention to safety, cabling, direct and alternating voltage.
- Electricity is an important part of a refrigeration technician's job and does not come without its share of dangers. That is why it is …
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What's your number?: Mathematical concepts in English
With this set you practice on the English translation of mathematical concepts.
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Electrician Safety Symbols: Exercises
You independently practice safety symbols and signs for the electrician using a Quizlet.
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Double-Pole Switching: Symbols and Schematics
You practice the important symbols and schemes for the double-pole circuit by means of a Quizlet.
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Single-Pole Switching: Vocabulary and Schematics
you practice the important vocabulary and diagrams for the single-pole circuit by means of a Quizlet.
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Powers calculation rules: Flashcards
Flashcards to practice the calculation rules of powers.
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Pythagorean Theorem: Turning Cards
With these flashcards you can practice the Pythagorean theorem (regular and inverse), formulas of diagonal and distance between two points.
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