three hypodermic needles |
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| navigate by keyword : alternatives anaesthesia anaesthetic and bar bigger blood cannula caution chart choice choosing close coded coding color colour correct danger death deciding decision decisions depth different drug drugs field fine for grades graph green hypodermic hypodermics importance important injection inoculation insulin job length levels life medical medicine needle needles nursing orange phlebotomy proper right risk safety select selection sharp sharper sharps shots size sizes small smaller sterile suitability syringes test three tool training vaccination vaccine veterinary white |
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| Close-up of 3 different sizes of colour coded hypodermic needles against a white background. |
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