These oaken trenails and wedges were made up in bundles, containing about 20.
The latter town, containing about 8,000 inhabitants, is the depôt for goods imported through the port of Guyamas which are designed for the northern districts of Mexico.
The capital of the district of Colotlan, is San Antonio de Colotlan, containing about 4,000 inhabitants.
Tubingen is a large and ancient town, containing about 5000 inhabitants: its situation is low, and it is chiefly worthy of notice, as being one of the most celebrated universities of the south of Germany.
Here is a celebrated school, containing about 250 boys; the annual expense for each boarder is not less than fifty louis.
Algarobilla consists of the seeds of an Indian tree, containing about 45 % of tannin, and in general properties is similar to divi-divi, but does not discolour so much upon fermentation.
It is the ground leaves of a Sicilian plant, containing about 28 % of tannin, and yielding a nearly white and very beautiful leather.
Chestnut comes on the market in the form of crude and decolorized liquid extracts, containing about 27 % to 31 % of tannin, and yields a good leather of a light-brown colour.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "containing about" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.