有人看见一名男性拿着铲子站在路障旁边。路障上有一个明显的洞。那人身后是一片田野，背景是房屋。这张引人入胜的图片非常适合用于宣传材料、警告名片和类似应用。它属于共享资源 3.0 署名许可的范围。 建设 工人 员工 建筑工人铲子
这幅插图展示了一名工人在住宅用地附近的道路上用警告路障标记的指定区域内操作钻机。其视觉吸引人的设计使其成为建筑公司或服务宣传材料或名片的理想选择。它可在共享资源 3.0 署名许可下获得。 建设 工人 员工 在有路障的田野里钻探工人
Little remix of OCAL-elements + own drawings. no drugs sign warning cigarette pills cannabis alcohol 没有毒品
Orange "Warning" sign with wording Do Not Enter. Note that Do Not Enter signs are available in Caution, Danger, Notice, Warning (green) and Warning (orange) in this collection 未选中 警告 登录 警告-不要输入 （橙色）
icon symbol gui copyright media warning exclamation rights property intellectual problem Copyright Problem clip art 版权所有 问题 图标符号 Gui 版权媒体警告感叹号权利属性知识产权问题
Russian (Soviet) signs of travel and signaling railways. (GD-18) ???? 登录 旅行 信号 (GD-18) 标志"永久警告标志电流开启"
computer virus worm symbol warning malware infected Malware Warning Symbol clip art 恶意软件 警告 符号 恶意软件警告符号剪贴画
This excellent cartoon was synthesized from a public domain safety poster showcased by the NARA. The original poster had this man wearing a conical hat that said "dunce" or something, but I thought it would be more universally usable to just remove the hat and have his actions speak for themselves. Enjoy! 卡通 安全 警告 别太多举
black yellow warning hazard caution stripe sabathius hazardous Black And Yellow Warning Stripe clip art 黑色 黄色 警告 黑色和黄色警告条纹剪贴画
sign inkscape symbol signs symbols danger warning hazard toxic Sign Toxic clip art 登录 有毒 标志它符号标志符号危险警告危险有毒
This is a concept for a 4Rs symbol (instead of the typical 3) and each one is less useful for the environment. Reduce Reuse Recycle Recover 减少 回收站 重用 恢复符号
baby three symbol symbols zero warning hazard toddler age no infant years Age Warning Symbol clip art 警告 符号 年龄警告符号剪贴画
dead black yellow pattern special end road street closed warning patterns diagonal closure dead-end Warning Pattern clip art 警告 模式 警告模式剪贴画
Triangular warning sign with a translucent white background, a red border and a black exclamation mark at its center which looks like wield road sign. 三角形 警告 登录 警告标志
sign signs transportation road street warning roadsigns roadlayout closer Road Sign clip art 路 登录 签署标志运输道街警告路标 Roadlayout 更接近
One of the famous yellow warning signs: explosion danger. Note that there are several signs with explosions - there's also "explosive atmosphere" and "explosion risk/explosive materials/compressed gas"... 危险 警告 登录 危险警告标志： 爆炸
