Asian woman cleaning a dirty and dusty air conditioning filter in her house. Housewife removing a dusty air conditioner filter. - Stock Photo & Image

Doctor preparing a dose of vaccine for injection at patient left arm close up with copyspace. Healthcare and medical service concept. COVID-19 or coronavirus cure vaccine injection.

Caucasian businesspeople working together on the table in office space.

Diversity ethnicity professional businesspeople having a brainstorm and discussing together in their workplace, collaboration and teamwork in expertise businessperson. Businesspeople use sticky note.

Happy cheerful Asian ethnicity female university student learning about robotic and programing by herself, woman assemble a robot and coding.

Happy cheerful Asian ethnicity female university student learning about robotic and programing by herself, woman assemble a robot and coding.

Diversity ethnicity professional businesspeople having a brainstorm and discussing together in their workplace, collaboration and teamwork in expertise businessperson. Businesspeople use sticky note.

Angry senior manager aggressively yelling on her underling because he can't achieved his goal. Mad woman senior manager screaming on her colleague impolitely. Unhappy working atmosphere concept.