Title: Kānsīahāi khō̜ng watsadu yā pit rō̜i tō̜ thanon khō̜nkrīt læ kānsamrūat pramœ̄n saphāp nai sanām
Description: On the various types of joint-sealant failures, the major factors influencing the performances of sealants and current methods of measuring the performance of sealants.