test hole उदाहरण वाक्य

Over the past several years test holes of the kimberlite deposit in central Saskatchewan has proven to be a lucrative mining venture.
Last Thursday, Japan's government surreptitiously tried to send survey ships to visit the offshore site to drill 63 test holes in the coral.
After approximately 34 test holes had been drilled, the site was deemed unsuitable, and the project was moved to the Nevada test site.
By 1972, Grace had drilled 2, 847 test holes in the fertile valley bottom and the company knew the potential of the find.
Crews drilling a test hole to anchor a radio tower at the King Ranch in South Texas encountered underground water contaminated with oil.

Test holes dug in the 2.4-acre Brickell Park have exposed the bones of at least 12 people, archaeologist Bob Carr told The Miami Herald.
Harelson acknowledged digging a " test hole " and removing some artifacts, but argued he did so only to interest Nevada archaeologists in the site.
Management had suspected that the tunnel was nearby, and had instituted a program of drilling test holes in the work areas to probe for water.
In addition you often find test holes, because, before starting their work, the people wanted to know if the bark or the wood were all right.
Just as test holes were drilled and monitoring instruments installed to see why the new access road to the Snowbasin resort was sliding, it stopped sliding.