How big is a jumbo size photo? - Answers How big is jumbo size glass? A jumbo size glass typically holds about 16 to 20 ounces of liquid, making it larger than standard glasses, which usually hold around 8 to 12 ounces
Why is a mining drill called a jumbo? - Answers Underground mining may use a "Jumbo", which has several drill bits mounted on one machine, or a "jack leg" drill- a hydraulic jack braces the drill against to roof and floor, and hammers a bit