This phrase appears to be a phonetic, romanized rendering of Moroccan Arabic (Darija). Let me transcribe it first:
"Hold the gas canister (or 'the gas bottle') with a piece of paper during the day for the computer." thmyl lbt lghz bwr alnhr llkmbywtr
This is a strange, possibly humorous or cryptic instruction — likely a literal translation of something technical or a joke. Given the oddness, here’s a creative based on it: "Instructions for the Day Computer" This phrase appears to be a phonetic, romanized
Hold the gas canister steady. Not with your bare hands — wrap it in a sheet of morning light, the kind that falls across a keyboard at 9:03. The computer hums, waiting for fuel it was never meant to burn. You follow the old notebook's scrawl: thmyl lbt lghz bwr alnhr llkmbywtr — a message from a parallel tech support, or a recipe for disaster. Either way, the screen flickers on. The gas hisses softly. The paper catches fire. And the computer dreams in Arabic code. If you meant this as a cipher or a puzzle instead of Darija, let me know and I can decode it differently. Not with your bare hands — wrap it
→ Tḥemmel l-beṭ l-ghaz b-werq en-nhar l-kombiyuṭer → تحمل الباط الغاز بورق النهار للكمبيوتر