shot hole

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shot hole

A wormhole in wood, usually more than 1/16 in. (1.6 mm) but not more than ? in. (3.2 mm) in diameter.
References in periodicals archive ?
5 percent of revenues in the fourth quarter a year ago primarily due to an increase in shot-hole contract business, which has additional third party costs associated with it and typically generates higher revenues and lower gross margins than vibroseis contracts.
Second quarter 2007 year-over-year revenues increased 46 percent due to the operation of eight seismic crews versus seven crews operating in the 2006 second quarter, as well as the fact that over 40 percent of revenues were derived from lower margin shot-hole contract business, which is one of two energy sources used to acquire seismic data.
In May of 2006, we acquired the assets of Highland Industry for our shot-hole contract business, and this is our first purchase of new shot-hole equipment since that acquisition.
Tenders are invited for Unloading Loading Of Explosive At Magazine And At Working Faces And Stemming Of Shot-Holes In Bocm
These disputes have led to considerable cost increases due to standby charges during down times, and duplication of work; particularly re-surveying, re-bridging, and the re-drilling of seismic shot-holes, made necessary by physical deterioration due to extended periods of inactivity.