I understand you're looking for a comprehensive article on "Quando os construtores são chamados?" (When builders are called). However, the topic is quite broad and the phrase itself is open to interpretation. It could refer to various aspects related to construction:

• Triggering Construction Processes: This could involve understanding the factors that initiate construction projects, like the need for new infrastructure, renovations, or repairs.
• Construction Project Management: This would delve into the planning, scheduling, and execution of construction projects, including the roles of various stakeholders.
• Specific Construction Events: This could focus on specific situations where builders are called, like emergencies (e.g., collapsed structures), maintenance issues, or new building regulations.

To provide a truly informative and helpful article, I need more context. Please clarify what aspect of "Quando os construtores são chamados?" you want to focus on. For example, you could specify:

• Target Audience: Who is this article for? Are they professionals in the construction industry, home owners, students, or general readers?
• Specific Focus: Do you want to explore the trigger points for construction, the project management process, or specific situations like emergencies?
• Desired Outcome: What do you hope readers will gain from this article? Should they learn about the process, gain skills, or understand the challenges involved?

Once you provide this information, I can create a detailed and relevant article with proper HTML formatting, images, and examples.