The person performing the piercing disposes of the needle in a special container so that there is no risk of the needle or blood touching someone else.

穿刺后手术针被穿刺者妥善放入特殊容器中，以免他人被刺到或沾染血液的危险

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the needle is disposed of in a special sealed container after the piercing

穿刺针在穿刺后会放入一个特殊密封容器中被妥善处理

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With the bottom of the projection of a white transparent container filled with water, then drip in the water the color ink or oil-based paint, pen with a needle guided shaping.

用底部投射有白光的透明的容器装满水，然后在水面点滴油基的彩墨或颜料，用针笔进行引导塑形。

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Later versions submerged the needle in liquid inside a closed container--these "damped" compasses were more stable, since the liquid kept the needle from swinging and shaking.

FORBES: No. 3 The Compass