Hikelok ili ndi zinthu zosiyanasiyana, kuphatikizapo ma valve ndi zolumikizira zida, zinthu zopanikizika kwambiri, zinthu zoyera kwambiri, ma valve opangira, zinthu zotsukira vacuum, dongosolo losankhira, dongosolo loyikapo, chipangizo chokakamiza ndi zowonjezera zida.
Machitidwe oyesera zinthu ku Hikelok amaphatikizapo kusanthula mpweya, kusanthula madzi, kusanthula mpweya wosungunuka, ndi botolo la zitsanzo.
