There are two basic types of lasers used for cosmetic purposes: ablative and nonablative. Ablative lasers actually vaporize the top layers of damaged skin, while nonablative lasers work deeper in the skin without removing or otherwise damaging the top layers.
1 Adults average 3 m (9.8ft.) in length. 2  Males average 3.4 to 4.6 m (11.2-15.1 ft.) and weigh about 1,500 kg (3,307 lb.). 3  Females average 3 to 4 m (9.8 to 13.1 ft.) and weigh about 1,360 kg (2,998 lb.).  Beluga whales reach full size at about 10 years.
The biggest dolphins. In addition to whales there are also several large species of dolphin that inhibit the ocean. The largest known dolphin is the killer whale which can measure up to 32 ft. long and weigh as much as 10 tons. On average males will grow between 20 â 26 ft. long and weigh between 6 â 6.6 tons while female killer whales will grow to an average of 16 â 23 ft. long and weigh between 3.5 â 4.5 tons.