Technicalia

Copernicus himself made few observations but was steeped both in the technicalia of astronomical geometry and in the humanistic tradition.

Source: wiktionary

If you don’t care about the technicalia of Internet mail, the next two paragraphs can be safely skipped.

Source: wiktionary

[…] the notes often contain extended, technical arguments. Other readers may also find the notes of considerable interest, but I would suggest that if the annotative technicalia prove tiresome, the argument in the body of the text may remain both intelligible and useful, even if the notes are not consulted.

Source: wiktionary

Yet in explaining deficits, the Audit Commission (AC) (2006) sought refuge in a narrow range of technicalia about the processes of budget-setting, on the one hand, and bland homilies about the nature of Boards, on the other.

Source: wiktionary