El silicato de calcio/la perlita expandida se utilizan SOBRE TODO en:
a. trabajos a baja temperatura.
b. sistemas de agua fría.
c. tuberías subterráneas.
d. sistemas de alta temperatura.
d. sistemas de alta temperatura.
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Mortar performance is greatly influenced by the choice and amount of cement materials in the mix.
Answer the following statement true (T) or false (F)
Watermelons are ready to harvest when the side of the fruit nearest the ground changes from white to creamy yellow
Indicate whether the statement is true or false
The absorption of hydrogen into the weld pool is the primary cause of _____
a. undercut b. excessive reinforcement c. porosity d. solidification cracks
The two standard projection methods for creating multiviews are first- and third-angle projection.
Answer the following statement true (T) or false (F)