Water Drop

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Water Drop

 

(or overfall), in hydraulic engineering, a water-conveying structure in a conduit, floodgates, or other waterline; the structure is designed to unite two sections situated at different levels when there is a marked change in the longitudinal profile of the course. With respect to their structure, water drops are classified as step-type (the most common), in which the reaches of a channel are joined by vertical walls and horizontal areas, or steps; overhang-type; tubular-type; shaft-type; inclined-type; and combination-type. According to the nature of the water motion in them, they are classed as open, semipressurized, and pressurized. Water drops are constructed of concrete, reinforced concrete, stone, brick, metal, or wood.

References in periodicals archive ?
The display gets a waterdrop notch display design and it features a Crystal Design back, with options to select from Sparkling Blue and Crystal Green colour options.
There is a waterdrop notch at the top of the display which houses the 13MP front-facing selfie camera.
Upfront, a 6.5-inch display with a waterdrop notch is expected.
Le design plein ecran ''waterdrop '' existe uniquement avec ces deux telephones", a fait savoir Bongoura Rebecca.
They will also be featuring the thin bottom bezel and the top waterdrop notch for the front camera.
Without a notch, waterdrop or cut-out, playing our favorite racing game was just how we'd always wanted it to be - big, bright and uninterrupted.
The brilliant S4 features a 32MP AI selfie camera, wide angle triple rear cameras at 13MP+8MP+2MP, 6.2" HD+ waterdrop display and a staggering 4GB Ram with 64GB expandable storage for a price tag of Rs.22,999 only.
Le Smart 3 Plus vient avec un design tendance, un ecran waterdrop de 6.2 pouces, une triple camera appuyee par l'IA et il dispose de 2Go de RAM et 32 Go de stockage interne.
* 6.26-inch display * Waterdrop design * Polycarbonate body * 4,000mAh battery * Notification light on power button * Qualcomm 429 processor * 2GB/3G of RAM and 16/32GB of ROM * 13MP rear and 5MP front cameras * Back fingerprint sensor * Price not available but availability in May
Vivo's first 5G smartphone offers an ultra-simple and uniquely recognizable design with Curved-Surface Waterdrop Glass and no openings, seams or bezels for a simpler user experience.
The OPPO F9 is a mobile powerhouse encased in a sleek, stylish body that features a unique Waterdrop screen.
A7 also now introduces something entirely new to the A series; a unique Waterdrop screen and premium texture on the back cover.