CREATE TABLE table_name_20 (technology VARCHAR2, toxic_materials VARCHAR2, moving_parts VARCHAR2)

What's the technology when there are no moving parts but yes to toxic materials?
SELECT technology FROM table_name_20 WHERE toxic_materials = "yes" AND moving_parts = "no"
SELECT "technology" FROM "table_name_20" WHERE "moving_parts" = "no" AND "toxic_materials" = "yes"