The phrase "activities were started" is correct and usable in written English.
It can be used to indicate that certain activities have been initiated or commenced in a specific context.
Example: "After the meeting concluded, various activities were started to improve team collaboration."
Alternatives: "activities were initiated" or "activities were commenced."
The DORIS activities were started in 2002 because of the launch of the Envisat satellite where ESOC is responsible for the validation of the Envisat Precise Orbits and a brief overview of the key Envisat activities at ESOC is given.
In addition, a wide range of industrial activities were started up, some of which were boosted by the Iran-Iraq War, notably aluminum smelting and the production of tractors, electrical goods, telephone cables, and tires.
Next, wheelchair activities were started.
Strengthening of diagnosis through training in microscopy and the introduction of rapid diagnostic tests (RDT), the introduction and training of health facility staff in case management using Artemisinin Combination Therapy (ACT), expanding access to Intermittent Preventative Treatment for pregnant women (IPTp), and extensive information education and communication activities were started in 2005.
Moreover, activities were started in enhancing the availability of micro-nutrient rich foods.
Controls and cleanup activities were started in 1998 [ U.S. Agency for Toxic Substances and Disease Registry (ATSDR) 2003].
These activities are started by assembling columns, bracing system and shell plates, and welding.
Before activities are started to promote rational drug use, an effort should be made to describe and quantify the situation.
Measurements of G-CSF, IL-6, IL-18, Procalcitonin (PCT) in plasma, leukocyte count, percentage of polynuclear granulocytes (PMNs) and their phagocytic activity were started before operation and continued till day 6 after surgery.
"And if construction-related activities are starting before 7 a.m., we will issue a notice of violation and a demand that the practice be stopped".
This activity was started after a detailed theoretical and experimental work carried on a prototype manufactured by Giner Electrochemical Systems.
