Your favorite Bak Kwa ? Or perhaps the name of Singapore Navy’s latest high-tech naval vessel with bounce-around capability ?
Nah, RSS stands for Ribbed Smoke Sheet. This was the most common form of rubber that was exported from Malaysia. After the latex collected from rubber trees had coagulated, it was passed through multiple rollers to squeeze out the excess water, and then the sheets were dried and finally “cured” by smoking them in a giant kiln.
The finished sheets were usually formed into bales for export. Those were the heydays of the rubber industry.
Our youngsters may not know them. But I used to see lots of these in the past.