Abstract: The machine of the invention comprises a pair of rolls on powered shafts with the ends of the rolls being fixed to the shafts and the central portions of the rolls floating on the shafts. When a mailing form piece and a wafer seal are moved in between the rolls, the powered roll ends engage only the form and pull it through the floating sleeves which sleeves are stopped from rotating when engaged by the seal to retard the movement of the seal and form a tight fit between the seal and the form.

Abstract: The present invention relates to a process for protecting crop plants against phytotoxic side effects of compounds of formula: ##STR1## which comprises treating the plants, parts of plants or fertile soils for plants with compounds of the formula: ##STR2## before, after or at the same time.

Abstract: Process of controlling weed grasses by treatment with triazine-dione compounds, of the formula: ##STR1## and salts thereof, wherein R.sup.1 is an alkyl group of 3 to 5 carbon atoms in which the carbon atom attached to the ring nitrogen atom is a secondary or tertiary carbon atom, R.sup.2 is an alkyl radical of 3 to 5 carbon atoms such that no carbon atom of the radical is linked through a linear sequence of more than two carbon atoms to the nitrogen atom to which R.sup.2 is attached, and R.sup.3 is methyl, ethyl, or cyclopropyl.

Abstract: A compact labeling machine for applying pressure sensitive labels to mailing pieces such as magazines and envelopes is provided with a variable speed drive and is adapted to accommodate various size labels and mailing pieces at a high output rate. Positive control of an article feed roller associated with a supply hopper is afforded by a microswitch which is actuated by flights or lugs on conveyor chains which carry the article to be labeled from the feed roller to the labeling station. The article feed cycle is stoppd by a microswitch which has a feeler engaged by articles carried by the conveyor flights. The label feed mechanism includes a brake and clutch connected to a draw roller which draws the label web over a peel plate for positive control of the label feed. The label feed cycle is commenced by engagement of the article to be labeled with the feeler of a switch in the conveying path.