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A hole in the rock that forms a hand or foothold; often found in gyms, common in limestone
출처: www.rock-climbing.ws/rock-climbing-terminology/
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| pocketing |
The process of removing all material inside of a specified line or region.
출처: hannawestside.anderson5.net/academyofengineering/R...
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Abnormally deep space between the gum tissue and the teeth; bacteria can enter here, causing gum disease.
출처: www.janela1.com/vh/docs/v0001418.htm
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| pocket face mask |
A folding mask that can be carried in a pocket and used for artificial ventilation. Some pocket face masks have an inlet for oxygen and a one-way valve for infection control.
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| pocket reduction |
A surgical procedure to eliminate deep periodontal spaces that have formed around teeth. Periodontal pockets are colonized and/or infected by numerous disease-causing bacteria. The periodontist peels away and surgically removes
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