by heart, from memory, by rote

at most

tall / high

high, higher

maximum, the limit

aerial photography

to heat empty cookware (as when forgetting to put water in a kettle, pot, etc.); to dry heat cookware

heating empty cookware (as when forgetting to put water in a kettle, pot, etc.); dry heating cookware

(military, of the Japan Air Self-Defense Force) a lieutenant general

(military, of the Japan Air Self-Defense Force) a field officer