Sentence:  Cardboard noisemakers , substitutes for the unavailable <WSD>tin</WSD> models , were being hawked and bought at makeshift stands every few yards along Broadway , and one 's ears were continually serenaded by the horns ' rasps and bleats . 
Meaning of the word marked with <WSD> tags:  a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide