Heavy machinery loads the destroyed stone onto trucks and delivers it to the desired addresses.

Theory - tons of rubble and cubes.

Building is a rewarding profession.

The excavator bucket picks up the right amount of sand and loads it into a truck.

Theory is cubes and tons.

Construction work is interesting!

You need to open a physics reference book and perform a very simple calculation.

Theory - kilogram and liter.

Simple physics in action.

Weigh a cup of liquid on the scales and find out that this is true.

Theory is liters and lbs.

This is a simple theory in practice.

You just need to pour different liquids into a glass and weigh.

Theory is liters and kilograms.

Simple theory in practice.

In pounds this is one figure, and in liters another.

Theory is liters and pounds.

Very simple!

For example, how many steps a person can walk a day is a simple task.

An example is steps and kilometers.

When walking upright, you need to solve gravitational problems.

The new physics is dominated by mathematical methods.

Look - the theory of new physics.

Computers and Computing are the New Physics!

To calculate the volume, three parameters are needed - length, width and height.

See also - volume theory.

It's just volume!

To add two numbers, you need to add another number to one number on a mathematical ruler.

See also - number theory.

Math is very real!