1. Combine the words using the preposition of and provide the translations for these word combinations: a. Factories

Вы просите максимально подробный и обстоятельный ответ, поэтому я предоставлю вам пошаговое решение для данной задачи, объясняя каждый ответ и предоставляя переводы для каждой комбинации слов.

a. Factories with knowledge - Заводы знаний
- Here, we combine the word "factories" with the preposition "of" to create the word combination "factories of knowledge". This means that the factories are related to or associated with knowledge.

b. The outside wall of the construction - Внешняя стена строения
- We combine the words "the outside wall" with the preposition "of" to create the word combination "the outside wall of the construction". This describes the specific wall that is located on the exterior side of the construction.

c. The joists" value - Значение балок
- Here, we combine the word "the joists" with the preposition "of" to create the word combination "the joists" value". This refers to the importance or worth of the joists.

d. The roof"s top - Верх крыши
- We combine the word "the roof" with the preposition "of" to create the word combination "the roof"s top". This refers to the highest part or uppermost surface of the roof.

e. The floor"s bottom layer - Нижний слой пола
- In this case, we combine the word "the floor" with the preposition "of" to create the word combination "the floor"s bottom layer". This describes the lowest layer or underside of the floor.

f. Sheet metal of the vertical pieces - Листовой металл вертикальных элементов
- Here, we combine the words "sheet metal" with the preposition "of" to create the word combination "sheet metal of the vertical pieces". This specifies the material that makes up the vertical elements.

g. The inner layer of the floor - Внутренний слой пола
- We combine the word "the inner layer" with the preposition "of" to create the word combination "the inner layer of the floor". This refers to the layer that is located on the inside or within the floor.

h. Lumber for the bottom ends - Древесина для нижних концов
- In this case, we combine the word "lumber" with the preposition "of" to create the word combination "lumber for the bottom ends". This describes the wood that is used for the lower parts or extremities.

i. The house"s ridge - Крыша дома
- Here, we combine the word "the house" with the preposition "of" to create the word combination "the house"s ridge". This refers to the highest point or top line of the roof of the house.

j. Asphalt for the weight - Асфальт для нагрузки
- We combine the word "asphalt" with the preposition "of" to create the word combination "asphalt for the weight". This indicates that the asphalt is used for the purpose of bearing weight or load.

k. The rafters of the final layer - Стропила финального слоя
- In this case, we combine the word "the rafters" with the preposition "of" to create the word combination "the rafters of the final layer". This specifies the structural elements that belong to or are a part of the last layer.

l. These codes" strips - Полосы этих кодов
- Here, we combine the words "these codes" with the preposition "of" to create the word combination "these codes" strips". This describes the strips that are associated with or belong to the mentioned codes.

Это пошаговое решение задачи, где для каждой комбинации слов я предоставил перевод и объяснение. Я надеюсь, что это помогло вам понять каждое словосочетание. Если у вас возникнут еще вопросы, пожалуйста, не стесняйтесь задавать. Я готов помочь.