π¬οΈβ¬οΈπ¦
π’π§βοΈ
ποΈπ§β‘
π§βοΈπͺ
π¨π’π‘οΈ
π‘οΈβοΈπ’
π§β‘π§π’
π¬οΈβΉοΈβοΈπ₯
π’πβοΈ
βοΈπ₯βοΈπ°
π§πποΈ
ππ§©βοΈποΈ
π πͺ¦π§π₯
π’β‘οΈπ§
π’βοΈβ‘π§
ποΈπ’π©βοΈπ
π’ππ§π¨β
π’πβ‘π¨
ποΈπΎππ’
#CAVH #air pressure #plenum space #ventilation #building systems #pressurized air