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A laboratory technician carefully places a sample to the analysis plate of an FT-IR (Fourier Transform Infrared) spectrometer using tweezers prepared for precise material laboratory technology.

ID:1705369187 A laboratory technician carefully places a sample to the analysis plate of an FT-IR (Fourier Transform Infrared) spectrometer using tweezers prepared for precise material laboratory technology.

现代浴室瓷砖地板上，水流入方形淋浴排水口，体现卫生与清洁

ID:923165663 现代浴室瓷砖地板上，水流入方形淋浴排水口，体现卫生与清洁

独自生活的老年人玩彩色珠子，适合老年人玩的益智玩具，用于锻炼手和大脑

ID:612030933 独自生活的老年人玩彩色珠子，适合老年人玩的益智玩具，用于锻炼手和大脑

现代浴室瓷砖地板上崭新干净的方形淋浴地漏。家中新卫生间的瓷砖地板干净干燥

ID:923165653 现代浴室瓷砖地板上崭新干净的方形淋浴地漏。家中新卫生间的瓷砖地板干净干燥

技术人员在天花板房屋中拿着嵌入式灯具进行维修或维护和固定。办公楼或房屋中电灯的问题由维修人员更换荧光灯。

ID:682672473 技术人员在天花板房屋中拿着嵌入式灯具进行维修或维护和固定。办公楼或房屋中电灯的问题由维修人员更换荧光灯。

房屋或办公室内部建筑中靠近窗框的墙体裂缝。墙体混凝土从结构基础出现破裂的问题概念。

ID:574596688 房屋或办公室内部建筑中靠近窗框的墙体裂缝。墙体混凝土从结构基础出现破裂的问题概念。

放学后和教室工作后，办公楼或走廊的走廊上，看门人用刮水器在地板上刮水，有阳光背景。湿地板或清洁服务女佣概念。

ID:591454607 放学后和教室工作后，办公楼或走廊的走廊上，看门人用刮水器在地板上刮水，有阳光背景。湿地板或清洁服务女佣概念。

女清洁工在学校或教室后的走廊办公楼或通道拖地，有空白复制空间。管家在阳光背景下工作。

ID:670875282 女清洁工在学校或教室后的走廊办公楼或通道拖地，有空白复制空间。管家在阳光背景下工作。

A scientist carefully pours liquid from a laboratory wash bottle into a glass test tube during a chemical experiment. The modern laboratory with various glassware and scientific equipment visible.

ID:1705369216 A scientist carefully pours liquid from a laboratory wash bottle into a glass test tube during a chemical experiment. The modern laboratory with various glassware and scientific equipment visible.

A laboratory technician carefully places a sample to the analysis plate of an FT-IR (Fourier Transform Infrared) spectrometer using tweezers prepared for precise material laboratory technology.

ID:1705369145 A laboratory technician carefully places a sample to the analysis plate of an FT-IR (Fourier Transform Infrared) spectrometer using tweezers prepared for precise material laboratory technology.

A scientist performs a borax detection test in a laboratory using an orange chemical solution inside a volumetric flask. Represents chemical analysis, food safety research in laboratory.

ID:1705369120 A scientist performs a borax detection test in a laboratory using an orange chemical solution inside a volumetric flask. Represents chemical analysis, food safety research in laboratory.

A scientist performs a borax detection test in a laboratory using an orange chemical solution inside a volumetric flask. Represents chemical analysis, food safety research in laboratory.

ID:1705369108 A scientist performs a borax detection test in a laboratory using an orange chemical solution inside a volumetric flask. Represents chemical analysis, food safety research in laboratory.

Close-up of hands pouring an orange chemical solution into a beaker, representing chemical analysis, food safety testing, and quality control procedures in a clean and professional lab environment.

ID:1705369082 Close-up of hands pouring an orange chemical solution into a beaker, representing chemical analysis, food safety testing, and quality control procedures in a clean and professional lab environment.

A scientist carefully pours liquid from a laboratory wash bottle into a glass test tube during a chemical experiment. The modern laboratory with various glassware and scientific equipment visible.

ID:1705369077 A scientist carefully pours liquid from a laboratory wash bottle into a glass test tube during a chemical experiment. The modern laboratory with various glassware and scientific equipment visible.

看门人妇女在走廊办公楼或通道放学后或教室扫地板。剪影管家工作与阳光背景。

ID:670875273 看门人妇女在走廊办公楼或通道放学后或教室扫地板。剪影管家工作与阳光背景。

房屋或办公楼中混凝土膨胀导致的陶瓷地砖开裂和破损。房屋地板开裂问题的翻新和修复概念

ID:475459531 房屋或办公楼中混凝土膨胀导致的陶瓷地砖开裂和破损。房屋地板开裂问题的翻新和修复概念

MPN 大肠菌群和大肠杆菌检测：最可能数（MPN）技术是实验室中用于估算食品或水样中细菌数量的一种方法。

ID:1039381357 MPN 大肠菌群和大肠杆菌检测：最可能数（MPN）技术是实验室中用于估算食品或水样中细菌数量的一种方法。

用于工厂工业中产品和生产流程的无油空气压缩机涡轮电机的气压调节器设备

ID:695805485 用于工厂工业中产品和生产流程的无油空气压缩机涡轮电机的气压调节器设备

电工在办公室房间手持电源插座插头进行维修或保养。房屋中因短路和火灾产生的电火花的危险。

ID:682672428 电工在办公室房间手持电源插座插头进行维修或保养。房屋中因短路和火灾产生的电火花的危险。

白色尖桩篱笆或围栏已准备好安装在房屋周围

ID:195441242 白色尖桩篱笆或围栏已准备好安装在房屋周围

学校走廊或通道里的清洁工在拖地，背景是阳光。穷人的工作

ID:725369946 学校走廊或通道里的清洁工在拖地，背景是阳光。穷人的工作

在学校放学后或教室里在走廊办公楼中拖地的看门女工工作背景

ID:291686025 在学校放学后或教室里在走廊办公楼中拖地的看门女工工作背景

Aspirator bottle container for distilled water equipment in laboratory.

ID:639191396 Aspirator bottle container for distilled water equipment in laboratory.

Person with a disability or wheelchair user call center worker front view icon flat style vector eps sign, logo pictogram and symbols accessible design.

ID:646248392 Person with a disability or wheelchair user call center worker front view icon flat style vector eps sign, logo pictogram and symbols accessible design.

建筑内特写图标手按带有手指指向数字门安全的退出按钮。办公楼的安全门用于出入口安全系统。

ID:617230269 建筑内特写图标手按带有手指指向数字门安全的退出按钮。办公楼的安全门用于出入口安全系统。

Scurf and sweat dirty stains in hat ring around.

ID:652631043 Scurf and sweat dirty stains in hat ring around.

长胡椒，一堆干的荜茇（胡椒长，胡椒后弯）草药成分孤立在白色背景。

ID:626573796 长胡椒，一堆干的荜茇（胡椒长，胡椒后弯）草药成分孤立在白色背景。

房屋内的天花板板材因水管损坏或雨水渗漏而长了霉菌。这是办公楼或住宅在房屋服务方面出现的问题。

ID:458172466 房屋内的天花板板材因水管损坏或雨水渗漏而长了霉菌。这是办公楼或住宅在房屋服务方面出现的问题。

老年人玩彩色珠子独居玩具 教育防痴呆 适合阿尔茨海默病老人玩耍锻炼手脑

ID:612030919 老年人玩彩色珠子独居玩具 教育防痴呆 适合阿尔茨海默病老人玩耍锻炼手脑

Technician holding recessed mounted luminaire in ceiling house to repair or maintenance and fixing. Office building or house problem from electric light lamp for repairman change fluoresce light.

ID:682672478 Technician holding recessed mounted luminaire in ceiling house to repair or maintenance and fixing. Office building or house problem from electric light lamp for repairman change fluoresce light.

Side of truck (Pickup car) get damaged from accident on the road. Vehicle body dent and taillight broken by car crash. Road accidents and car insurance concept.

ID:648777199 Side of truck (Pickup car) get damaged from accident on the road. Vehicle body dent and taillight broken by car crash. Road accidents and car insurance concept.

办公室建筑中文件柜抽屉桌上家具上的近景锁定钥匙，阳光从窗户照射进来。

ID:257375459 办公室建筑中文件柜抽屉桌上家具上的近景锁定钥匙，阳光从窗户照射进来。

房屋或办公楼的天花板房间裂缝。家庭天花板因结构内部基础问题而破裂的概念。

ID:574596694 房屋或办公楼的天花板房间裂缝。家庭天花板因结构内部基础问题而破裂的概念。

年轻的科学家或技术人员在通风橱中绘制用于分析透明烧瓶中总铁浓度范围的标准曲线。

ID:527797961 年轻的科学家或技术人员在通风橱中绘制用于分析透明烧瓶中总铁浓度范围的标准曲线。

专业科学家在化学实验室手持溶液瓶进行测试

ID:600708660 专业科学家在化学实验室手持溶液瓶进行测试

Close-up hand of electrician holding screwdriver to electric outlet plug for repair or maintenance and fixing in office room. Dangerous of electric spark from short circuits and fire in house.

ID:682672480 Close-up hand of electrician holding screwdriver to electric outlet plug for repair or maintenance and fixing in office room. Dangerous of electric spark from short circuits and fire in house.

放学后或教室里在走廊办公楼中拖地的看门女工，阳光背景下的工作

ID:291686018 放学后或教室里在走廊办公楼中拖地的看门女工，阳光背景下的工作

阿特拉斯雏菊，西班牙甘菊（Anacyclus pyrethrum (L.)）干燥草药成分孤立在白色背景中。

ID:626573820 阿特拉斯雏菊，西班牙甘菊（Anacyclus pyrethrum (L.)）干燥草药成分孤立在白色背景中。

哈萨坤泰（黄皮 Clausena excavata Burm. f.）干草药成分在白色背景下分离。

ID:626573837 哈萨坤泰（黄皮 Clausena excavata Burm. f.）干草药成分在白色背景下分离。

手持数字式手持光勒克斯计，带有光电二极管传感器，用于测量室内或室外区域的整体照度

ID:463767081 手持数字式手持光勒克斯计，带有光电二极管传感器，用于测量室内或室外区域的整体照度

保洁员女士在学校或教室的走廊办公楼拖地，有复制空间。有阳光背景的清洁工工作的剪影。

ID:301109427 保洁员女士在学校或教室的走廊办公楼拖地，有复制空间。有阳光背景的清洁工工作的剪影。

Sludge drying bed in waste-water treatment plant system, brown sand in unplanted drying bed. Waste management facility.

ID:420263226 Sludge drying bed in waste-water treatment plant system, brown sand in unplanted drying bed. Waste management facility.

人类手上来自塑料垃圾的黑色微塑料特写

ID:1340343464 人类手上来自塑料垃圾的黑色微塑料特写

Hand technician holding beaker with solutions pouring solvent for experiment test, science laboratory classroom or research and development concept.

ID:476711635 Hand technician holding beaker with solutions pouring solvent for experiment test, science laboratory classroom or research and development concept.

用于化学泄漏工具包的化学吸收袜可吸收油、水、酸、苛性碱或溶剂。实验室泄漏工具包设备。

ID:357577041 用于化学泄漏工具包的化学吸收袜可吸收油、水、酸、苛性碱或溶剂。实验室泄漏工具包设备。

Man using chlorine and ph tester level meter for check quality of water from sewage in waste-water plant.

ID:420263309 Man using chlorine and ph tester level meter for check quality of water from sewage in waste-water plant.

房屋屋顶的天花板面板受损破洞，源于排水管漏水。房屋管道系统问题。

ID:210645984 房屋屋顶的天花板面板受损破洞，源于排水管漏水。房屋管道系统问题。

技术人员女性使用手持数字风速计测量吸入有毒气体时的风量和风速

ID:463767077 技术人员女性使用手持数字风速计测量吸入有毒气体时的风量和风速

Close-up of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

ID:1723121433 Close-up of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

Close-up of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

ID:1723121379 Close-up of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

Close-up of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

ID:1723121332 Close-up of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

Top view of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

ID:1723121287 Top view of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

Top view of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

ID:1723121260 Top view of assorted mini fruit tarts in golden trays, decorated with blueberries, orange slices. Colorful and elegant dessert presentation, perfect for catering, bakery menus, or food blogs.

Close-up pipette with pure liquid face serum or essential oil with drop on gray background for cosmetic ingredient concept.

ID:1632123598 Close-up pipette with pure liquid face serum or essential oil with drop on gray background for cosmetic ingredient concept.

Worker repair and fixing ceiling panels damaged hole in the roof house from pipes water leakage. Office building or house problem from plumber system repairman service concept.

ID:378299116 Worker repair and fixing ceiling panels damaged hole in the roof house from pipes water leakage. Office building or house problem from plumber system repairman service concept.

Janitor woman mopping floor in hallway office building or walkway after school or classroom in the dark. Silhouette housekeeper working at evening time with sun light background.

ID:301109388 Janitor woman mopping floor in hallway office building or walkway after school or classroom in the dark. Silhouette housekeeper working at evening time with sun light background.

污水处理厂中用于处理工厂或工业废水的稳定塘或池塘

ID:745217122 污水处理厂中用于处理工厂或工业废水的稳定塘或池塘

浴室现代淋浴间瓷砖地板上崭新干净的方形淋浴地漏。家中新洗手间的瓷砖地板干净干燥

ID:923165638 浴室现代淋浴间瓷砖地板上崭新干净的方形淋浴地漏。家中新洗手间的瓷砖地板干净干燥

高压配电室开关柜上的高压警告标志

ID:194245003 高压配电室开关柜上的高压警告标志

女清洁工在学校或教室的走廊办公楼或通道拖地，有复制空间。保洁员在有阳光背景的情况下工作。

ID:301109419 女清洁工在学校或教室的走廊办公楼或通道拖地，有复制空间。保洁员在有阳光背景的情况下工作。

Close-up small ferns growing on the rock with moss. Beautiful ecology and environment in tropical rain forest background.

ID:279463233 Close-up small ferns growing on the rock with moss. Beautiful ecology and environment in tropical rain forest background.

微型塑料、塑料材料、塑料污染、人手、微型、回收、持有、材料、塑料、水污染、废物、聚乙烯、污染、废料、堆、全球变暖、垃圾

ID:1277980632 微型塑料、塑料材料、塑料污染、人手、微型、回收、持有、材料、塑料、水污染、废物、聚乙烯、污染、废料、堆、全球变暖、垃圾

Chemical absorbent pads for chemical spill kits absorb oil, water, acids, caustic or solvent. Laboratory spill kits equipment.

ID:357577049 Chemical absorbent pads for chemical spill kits absorb oil, water, acids, caustic or solvent. Laboratory spill kits equipment.

亚洲男性清洁工在办公楼走廊拖地。商业清洁服务概念。

ID:196610978 亚洲男性清洁工在办公楼走廊拖地。商业清洁服务概念。

White plastic balls in kindergarten, Many white balls background.

ID:272219576 White plastic balls in kindergarten, Many white balls background.

Close-up of spilled water Logged on the road with cone. Wet floor from rainy splash or pipelines water leakage on the road. Danger accident urban city from slippery road hazard concept.

ID:276672101 Close-up of spilled water Logged on the road with cone. Wet floor from rainy splash or pipelines water leakage on the road. Danger accident urban city from slippery road hazard concept.

The fish mobile was made from weaving of the palm leaf. Thai traditional hand craft palm leaf fish mobile.

ID:250765883 The fish mobile was made from weaving of the palm leaf. Thai traditional hand craft palm leaf fish mobile.

Closeup of white chrysant flower (chrysanthemum) beautiful white petals natural background.

ID:209011004 Closeup of white chrysant flower (chrysanthemum) beautiful white petals natural background.

Net for protection bird come in a building.

ID:181715764 Net for protection bird come in a building.

孤立在明亮天空中的金属杆上用于公共关系的扬声器塔

ID:214372182 孤立在明亮天空中的金属杆上用于公共关系的扬声器塔

Coffee cups and water boiler kettle tank. Coffee break for seminar audience in meeting room.

ID:213078513 Coffee cups and water boiler kettle tank. Coffee break for seminar audience in meeting room.

Close up key cabinet in office building laboratory science classroom interior.

ID:181872520 Close up key cabinet in office building laboratory science classroom interior.

用于房屋或办公大楼地板清洁的拖把拧干桶，是看门人或家政清洁工服务的设备

ID:763805200 用于房屋或办公大楼地板清洁的拖把拧干桶，是看门人或家政清洁工服务的设备

废水处理厂系统中的污泥干燥床，未种植的干燥床中的棕色沙子。废物管理设施。

ID:420263184 废水处理厂系统中的污泥干燥床，未种植的干燥床中的棕色沙子。废物管理设施。

Railway station against beautiful to the forrest with signs. Industrial landscape with railroad with trees in rural area. Transportation concept background.

ID:415411954 Railway station against beautiful to the forrest with signs. Industrial landscape with railroad with trees in rural area. Transportation concept background.

白色 T 恤上溅出的番茄酱。织物上的脏污食物污渍滴。

ID:652631009 白色 T 恤上溅出的番茄酱。织物上的脏污食物污渍滴。

大学学院科学教室内部的实验室通风柜，用于保护用户免受吸入有毒气体（通风柜、生物安全柜、手套箱）。

ID:355808251 大学学院科学教室内部的实验室通风柜，用于保护用户免受吸入有毒气体（通风柜、生物安全柜、手套箱）。

科学家手持棉签，蘸取稀释的外用酒精擦拭双手和手指。为食品安全检测疾病而清洁脏手指是实验室的测量过程

ID:1039379437 科学家手持棉签，蘸取稀释的外用酒精擦拭双手和手指。为食品安全检测疾病而清洁脏手指是实验室的测量过程

Lush green mountain landscape with taller trees and mist after rain. The vibrant greenery of the trees contrasts beautifully with the soft ethereal fog.

ID:923165401 Lush green mountain landscape with taller trees and mist after rain. The vibrant greenery of the trees contrasts beautifully with the soft ethereal fog.

咖啡店内墙上的人造植物装饰

ID:183155445 咖啡店内墙上的人造植物装饰

Multicolor yellow, green, blue garbage trash bins blank space. Waste bin at the public park with copy space sign.

ID:265342874 Multicolor yellow, green, blue garbage trash bins blank space. Waste bin at the public park with copy space sign.

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