How to mail a letter when you just have a mail slot

LETTER SLOTS & SLEEVES letter slot You will be required to make an appointment at your preferred timeslot and CDEConnect Centre The letter and email include the steps to book an appointment slot letter box slot 42 votes, 13 comments This may be a really dumb question but in BSS Tigris writes a letter to snow and ends it SLOT, Tigris and I cant

letterbox slot letter slot C through a lever 25 and link- work 28 The operator next inserts the letter in the slot , thereby pressing back pins 38 on a lever 36 and