Did you know that the sunflower hides an amazing mathematical secret?
more ..The secret every engineer should know: Affinity Laws Simplified! Affinity Laws describe how: → Flow Rate (Q) → Head/Pressure (H)
more ..Information about the details of the reinforcing steel for the stairs.
more ..Simple wooden stairs: One of the important parts of them is the structures for the upholstery and descending thighs. Empty wooden stairs: steps
more ..