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16. 坯體如有變形應該在何時整修? (A)坯體革硬之前 (B)坯體革硬之後 (C)坯體乾燥之後 (D)上釉之後 。

17. 坯體在革硬之前如需讓其變軟,下列那一項是不當的處理? (A)用噴霧器均勻噴水於坯體各處 (B)用海綿吸水後均勻將水分擦遍坯體 (C)將坯體浸水後拿起 (D)用甘油均勻塗遍坯體 ,讓坯體充分吸收後變軟。

18. 在革硬以後整修坯體之變形,下列那一個敘述是正確的? (A)坯體容易再變形 (B)坯體的規格容易有較大誤差 (C)坯體容易開裂 (D)不利於坯體上釉 。

58. Which of the following is categorized by the text as an “endothermic material” currently used in fire safety? (A) Borosilicate glass (B) Asbestos binders (C) Alum (D) Gypsum

59. The passage implies that alum has maintained relevance across history primarily because (A) it was the only fire-resistant material available until the 20th century. (B) it proved effective enough to be adopted by multiple civilizations and remains in use today. (C) Roman engineers recognized its superiority over all other known materials. (D) its chemical properties were only fully understood in the modern era.

60. How does the passage distinguish the composition of fire door windows from standard glass? (A) They utilize ceramic or borosilicate glass to achieve superior thermal resistance. (B) They are reinforced with a coating of vinegar and alum to prevent combustion. (C) They are encased in clay and steel to withstand the high temperatures of a building fire. (D) They are manufactured using the same endothermic properties as gypsum-based pressed sheets.