How Music and Instruments Began？
Music must first be defined and distinguished from speech, and from animal and bird cries. We discuss the stages of hominid anatomy that permit music to be perceived and created, with the likelihood of both Homo…
How Music and Instruments Began？
Music must first be defined…
What is velvet fabric?
Velvet is a sleek, soft fabric that is commonly used in intimate garments, upholstery and other textile applications. Due to how expensive it was to produce velvet textiles in the past, this fabric is often associated with…
What is velvet fabric?
Velvet is a sleek, soft fabric that is…
Roll forming of a high strength aluminum tube
The presented paper provides a modelling strategy for roll forming of a high strength aluminum alloy tube. Roll forming allows the cost-effective production of large quantities of long profiles. Forming…
Roll forming of a high strength aluminum tube
The presented…
Vacuum contactor operation with parallel connection of independent consumers
This work presents a model of a transformer substation with parallel connection of independent consumers via vacuum switches. Several options of an electric arc model are…
Vacuum contactor operation with parallel connection of independent…
What are Flight Cases?
Flight cases, carrying cases or equipment cases are sturdy, rigid trunks or enclosures designed for protecting personal goods in transit and storage. They’re typically made from plastic or metal. Many models feature a range…
What are Flight Cases?
Flight cases, carrying cases or…
