usually one-piece inflatable rafts or tubes and rigid structures, such as chairs and reclining lounges which are fitted with floats. While some of these devices have a limited degree of convertibility, they are basically unadjustable and intended for a single, fixed body position of the bather....
Life jackets are considered “wearable” Personal Flotation Devices (PFDs), whereas other PFDs are regarded as “throwables,” and it keeps you buoyant. Whether boating, paddleboarding, or kayaking, all PFDs are intended to help somebody float in the water while waiting for help. What Is The ...
ParaCrawl Corpus Children in or near any body of water, including pools and bathtubs, need constant supervision, regardless of whether flotation devices are used. 儿童进入或靠近任何有水的地方,如水池和浴缸,不管是否使用漂浮器材,都需要一直监护他们。 ParaCrawl Corpus 最...
This invention relates to improvements in filters for swimming pools. More particularly it provides a device for removing dust and dirt from the upper wate... 被引量: 0发表: 0年 FILLER MATERIAL, METHOD OF RECYCLING PLASTIC, AND DEVICES MADE THEREFROM Weight training bags, pet training devices,...