The deep stream corrodes and cuts down the high ground; but meanwhile alluvial flats are gradually piled up in the shallows.
A cool dark garage is ideal as it cuts down the cleaning required and keeps the showroom shine on the caravan almost indefinitely.
Thatch of less than 1/2 thick is useful as it cuts down moisture loss and gives the lawn a springy feel.
Local centers may be full, and finding someone near your home or work cuts down on your morning routine.
Because the cup does not spill or drip, it makes mother's job easier too as it cuts down on clean-ups.