I think it is.. the low side handwheel is made of blue plastic or occasionally has a blue decal in its center then the high side handwheel is made of red plastic or occasionally has a red decal gauges used with a refrigeration gauge manifold are either analog which resemble other pressure gauges or perhaps digital.... i hope this helps :)
I believe it is b “Broadly speaking, modularity is the degree to which a system's components may be separated and recombined, often with the benefit of flexibility and variety in use. ... However, the concept of modularity can be extended to multiple disciplines, each with their own nuances.”
1. To not put your real name in a username
2. Don't give people your personal information
3. Tell your parents if someone messages you something and you don't know them
4. make your social media accounts private
5. Ask for a adult for help if you see something that confuses you