All boats at all hours.
All boats at all hours
at all times
a proper maintaining of lookout including sounds,lights,shapes,flags,objects etc.
at all times
at all times
==
keep a proper lookout.
By watching and listening
This is a trick question. An ex parte hearing is one where the other side is not given the opportunity to be present. Therefore, notice is not necessary. In general, ex parte hearings are only available for a limited number of special circumstances.
by proper placement of the Antenna and also by maintaining the proper configuration
I do, because I have a Hot Tub, and maintaining a proper Ph is necessary for proper maintenance.
suitable or proper in the circumstances