safety helmets
plural of safety helmet
(biochemistry) A glycoprotein involved in axon guidance of retinal ganglion neurons.
Alternative form of Dostoyevskian
(chemistry) A synthetic, stable perfluorinated carboxylic acid and fluorosurfactant with industrial applications, a toxicant and carcinogen in animals, persistent in the environment and associated ...
建設現場に入るすべての作業員は常に安全ヘルメットを着用しなければなりません。
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DiQt
Free
★★★★★★★★★★