The phenomena explained by the theories, if they could not be directly observed by the senses (for example, atoms and radio waves), were treated as theoretical concepts.
Azamanan ati alaɣatnen fal təmusnawen, afal waradoben adiqilan atiwakyadan agudendǎɣ fal əmik (fal olahan, atometan əd ondetan ən arajo), aqalnen atiwagan sund awinan atwaga ən təmusnawen.