The part of the sentence "are considered various" is correct and usable in written English
You can use it when discussing different opinions, ideas, perspectives, or varieties of something. For example: "Different methods for solving this problem are considered various, but the most effective one seems to be..."
In article various properties of Riccati equations solutions are considered, various problems of the control theory used at the solution.
When the energy constraint and general multi-level quantizers are considered, various issues of the decentralized estimation are studied under different channels.
When characteristic oligonucleotides, both underrepresented and overrepresented in each genome, are considered, various molecular mechanisms, including context-dependent mutation, repair, and modification, may be responsible [ 1– 8].
"We are considering various possibilities to have it on display for our fans at Citi Field," he said.
Behavioral targeting has been hotly debated in Washington, and lawmakers are considering various proposals to regulate it.
At the moment, they are considering various practical options, including a visitors' center, a museum gallery, a restaurant, perhaps even a charter school.
Republican-led legislatures in Texas and North Carolina are considering various restrictions; the one in Wisconsin recently approved some, only to have them suspended by a court.
Driven by all kinds of motives to reach an agreement (except the right one), Israelis, Palestinians and Americans are considering various peace plans and proposals.
No candidate wants to pin their colours to the mast of tough austerity measures alone, and all are considering various tax increases to try to fill the hole inthe coffers.
From Virginia to Hawaii, public officials have enacted or are considering various measures to reduce the attacks, but in doing so they face a delicate balancing act between protecting tourism and protecting the public.
Companies are considering various techniques to keep drug-producing crops from accidentally entering the food supply, including the implanting of a gene to turn drug-producing crops a different color from other crops.
