بسم  الله  الرحمن  الرحيم   اولا  احب  اشكر  كل  المهندسين الي بيثقوا في المدونه وبيتعاملوا  معاها   من فتره بسيطه تم  اضافة...

What's new ? In the 2019 edition, the terminology has been made consistent throughout the document by changing the terms outlet(s)...

road to hvac -  منارة  التكييف  هذا المنشور موجه للمهندسين حديثي التخرج ا...

Book  by  Ashrae  2018 Full Description Whether you are an HVAC&R system design er, architect, building owner, building manager...

Nfpa 72 handbook , 2019 Updated to reflect recent changes in the Code and in the field, the Handbook puts a wealth of information at ...

NFPA 13 Standard for the Installation of Sprinkler Systems, 2019 Edition The 2019 edition of NFPA 13. Develop sprinkler defense for an...

NFPA® 80 Standard for Fire Doors and Other Opening Protective 2019 Edition The 2019 edition includes new definitions in Chapter 3 for in...