The rock solid aluminum interior casing has gone, to be replaced by tin sheeting folded over the main board.
The seawater pump is keeping the seawater flow at an absolute rock solid flow rate.
No one has rock solid confidence in every moment, but there is a difference between jealousy and a real problem.
Make sure you have rock solid confidence.
Before accusing a spouse of cheating, make sure you have rock-solid evidence; otherwise you may hear a lie, another excuse, or he or she may try to confuse you.