the skilled practice of a practical occupation | the laying on of shingles |
the business given to a commercial establishment by its customers | (geology) sediment in which flat pebbles are uniformly tilted in the same direction |
a particular instance of buying or selling | |
an equal exchange | |
the commercial exchange (buying and selling on domestic or international markets) of goods and services | |
people who perform a particular kind of skilled work | |
steady winds blowing from east to west above and below the equator | |