The Variant and Subvariant structure is unique to hobbyDB and helps organize the database. Learn more by reading
What is a Variant
and
What is a Subvariant
in our help section.
Caterpillar Earth Moving Calculator
The Variant and Subvariant structure is unique to hobbyDB and helps organize the database. Learn more by reading
What is a Variant
and
What is a Subvariant
in our help section.
Device is used "for estimating production and costs" for earthmoving services.