(1) your average saving will be around 15% and sometimes more
Smoke will get in the common area, either by leaching under the doors, or as smokers take that last puff as they enter the building
Theres the smoke and theres also the particulate matter from the smoke on the smokers clothes

Aim: This study aimed to evaluate the association between C677T and A1298C polymorphisms of methylene tetrahydrofolate reductase (MTHFR) gene and PE susceptibility in a sample of Jordanian women Medical Science, 2021, 25(110), 882-890 Abstract | PDF Endometrial biopsy in females with abnormal uterine bleeding: Clinical and histopathological patterns Mohamed EA Elhussiny, Nasser Omar, Kamaleldin Abdalla Rageh, Mohamed Hussain Ali, Sherif Fayad, Moustafa A Elnawasany, Ahmed Maher Khalifa, Mohammed Ezzelarab Background: Abnormal uterine bleeding (AUB) is a common presenting symptom in the genecology practice setting all over the world, however the etiology and patterns could vary from one region to another Medical Science, 2021, 25(110), 891-899 Abstract | PDF Public awareness towards disk herniation in Ha'il region, Saudi Arabia: A cross-sectional study Ahmed Onayzan Alshammari, Motab Ali Alsulaiman, Abdulaziz Mohammed Alenezi, Jaser Sultan Alshamari, Shamekh Rsheid Alshammari, Abdulilah Saad Aldhmadi Introduction: Disc herniation is quite common condition with an incidence that ranges between 40 to 50 per 100,000 people
