La mano del joven dibuja con un rotulador una línea horizontal de color rojo brillante sobre papel blanco. El concepto de restricciones legales y morales - Metraje y vídeo de stock

Hand is writing with a chalk a complex mathematical equation of a formula on a blackboard

Businessman putting his ideas on white board during a presentation in conference room. Focus in hands with marker pen writing in flipchart. Close up of hand with marker and white board.

Draw an X with a wax crayon on a sheet of white paper

Student teenager collects a gray bag on a white table for school. Notebooks, pens, textbooks, pencil case, school bag

Student teenager collects a gray bag on a white table for school. Notebooks, pens, textbooks, pencil case, school bag

A male hand squeezes the remains of white shaving foam from a black bottle onto a gray surface, then the remaining compressed air comes out

Red ripe cherry tomatoes roll on a gray background, still life with a spoon, a fork and three black napkins. The concept of a bright healthy vegetable snack

Student teenager collects a gray bag on a white table for school. Notebooks, pens, textbooks, pencil case, school bag

Multi-colored figures fall from above on a gray background and bounce off in different directions. The concept of multinational corporations and organizations