Set the controls for the heart of the Sun! Image created with inkscape's tiled clones. To get the idea see this topic: http://www.inkscapeforum.com/viewtopic.php?f=6&t=21708&p=79502 #p79500
螺旋壁紙3
2016、background、bold、bright、color、colorfu、colour、colourful、Full HD、fullHD、full saturation、hue、inkscape、Lazur、optical illusion、psychedelia、psychedelic art、rgb、saturated、spectrum、spiral、swirl、test images、tiled clones、trippy、twirl、URH、wallpaper
2016、背景、膽大、亮、顏色、華美、顏色、華美、全高清、FULLHD、完全飽和、色調、Inkscape中、天藍、光學錯覺、迷幻、迷幻藝術、RGB、飽和的、光譜、螺旋、漩渦、測試圖像、平鋪克隆、迷幻、捻、URH、牆紙
資料來源：openclipart ( https://openclipart.org/ )

Two men shaking hands closely.
男子握手版1
characters、communication、example、green、hands、presentation、presentation clipart、presentation graphic、request completed、shaking
人物、通訊、例、綠色、手、介紹、演示文稿剪貼、演示圖形、請求已完成、發抖
資料來源：openclipart ( https://openclipart.org/ )

It symbolizes the resurrection of Jesus Christ. The nails and his hands shows that he rose from the death. The main point of the Easter.
復活和指甲
alive、christianity、Easter、jesus、Jesus、nail、nails、Nails、resurrection、triumph、triumphant、victor、victory
活、基督教、復活節、耶穌、耶穌、釘、釘子、釘子、復活、勝利、凱、勝利者、勝利
資料來源：openclipart ( https://openclipart.org/ )

Illustration of a chemical reaction.
生鏽（帶離子，帶銘文）
Chemie、Chemie-Theorie、chemistry、corrosion、drop、Eisen、Iron、Ironoxyd、Korrosion、Oxidation、Oxygen、Rost、Sauerstoff、tropfen、Wasser、Water
化學、化學原理、化學、腐蝕、下降、需求、鐵、Ironoxyd、腐蝕、氧化、氧、感、氧、降、水、水
資料來源：openclipart ( https://openclipart.org/ )

Red bicycle single speed, with drop handlebars.
自行車，紅色
bicycle、bike、fahrrad、fixie、red、ride、road、singlespeed、velociped
自行車、自行車、自行車、fixie、紅色、騎、路、singlespeed、Velociped
資料來源：openclipart ( https://openclipart.org/ )

A picture drawn by Käthe Kollwitz depicting a woman fighting the war.
永不再戰 - KätheKollwitz
Die、Kollwitz、krieg、Krieg dem Kriege、Käthe、nie、remix 219905、Semi-Realistic People、wieder、Überlebenden
該、珂勒惠支、戰爭、戰爭戰爭、坷、不、混音219905、半現實的人、再次、倖存者
資料來源：openclipart ( https://openclipart.org/ )

A modification using inkscape's filters.
Ubuntu 36 Swirl Remix
36、Circle Icons、Colorful、Filter、Inkscape、remix 153007、swirl、ubuntu
36、圓圈圖標、華美、過濾、Inkscape中、混音153007、漩渦、Ubuntu的
資料來源：openclipart ( https://openclipart.org/ )

In the United States, "Black Friday" follows Thanksgiving, and is considered the biggest moneymaking day of the year for retailers. Traditional paper leger numbers are recorded in black ink for income, as opposed to red ink for losses.
黑色星期五
holiday sales、in the black、marketing、moneymaking、sale
假日銷售、在黑色、營銷、賺錢、拍賣
資料來源：openclipart ( https://openclipart.org/ )

Simplified symbol od Cthulhu, fictional ancient evil monster, described by H. P. Lovecraft as "A monster of vaguely anthropoid outline, but with an octopus-like head whose face was a mass of feelers, a scaly, rubbery-looking body, prodigious claws on hind and fore feet, and long, narrow wings behind." ( https://en.wikipedia.org/wiki/Cthulhu )
克蘇魯符號
ancient、evil、fantasy、legend、Lovecraft、monster、myth、ocean、octopus、remix+193107、remix+232196、remix+277536、seal、tentacles、underwater、wings
古、邪惡、幻想、傳說、洛夫克拉夫特、怪物、神話、海洋、章魚、混音+ 193107、混音+ 232196、混音+ 277536、密封、觸手、水下、翅膀
資料來源：openclipart ( https://openclipart.org/ )

From Pixabay.
小豬圖標
Animal、Icon、Piggy、Piglet、Porcine、Pork、Swine
動物、圖標、小豬、小豬、豬、豬肉、豬
資料來源：openclipart ( https://openclipart.org/ )