"throttle less than 80% can be lowered( (recommended lower" ... This sentence is a little hard to understand. As I understand you want to write that throttle setting less than 80% should be even lower. But I'm unsure of the meaning. Maybe try to write in another way?
"throttle less than 80% can be lowered( (recommended lower" ... This sentence is a little hard to understand. As I understand you want to write that throttle setting less than 80% should be even lower. But I'm unsure of the meaning. Maybe try to write in another way?
"This is my most heart of the works, and a few days I will release" -> "This is the heart of my work and in a few days I will release”
Very nice!